diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index 4f0f4b5..e364162 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -265,46 +265,46 @@
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0xa: dtap,cm_service)
 DRLL Dispatching 04.08 message GSM48_MT_CC_SETUP (0x3:0x5)
 DCC Unknown transaction ID 8, creating new trans.
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 80000001) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + CC: now used by 3 (attached,conn,CC)
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x80000001 tid-8) New transaction
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_cc == 3 (0x1a: dtap,cm_service,trans_cc)
 DMM IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: rx msg GSM48_MT_CC_SETUP: received_cm_service_request changes to false
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - cm_service == 2 (0x12: dtap,trans_cc)
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state NULL -> INITIATED
-DCC Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (42342) sends SETUP to 123
-DMNCC transmit message MNCC_SETUP_IND
-DCC Sending 'MNCC_SETUP_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx SETUP in state NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state NULL -> INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) SETUP to 123
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_SETUP_IND
   MSC --> MNCC: callref 0x80000001: MNCC_SETUP_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
 - MNCC says that's fine
-DMNCC receive message MNCC_CALL_PROC_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_CALL_PROC_REQ' from MNCC in state 1 (INITIATED)
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state INITIATED -> MO_CALL_PROC
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_CALL_PROC_REQ in state INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state INITIATED -> MO_CALL_PROC
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_CALL_PROC: 8302
 - DTAP matches expected message
   MS <--Call Assignment-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x80000001
 - Total time passed: 1.000023 s
 - The other call leg got established (not shown here), MNCC tells us so
-DMNCC receive message MNCC_ALERT_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_ALERT_REQ' from MNCC in state 3 (MO_CALL_PROC)
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state MO_CALL_PROC -> CALL_DELIVERED
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_ALERT_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_ALERT_REQ in state MO_CALL_PROC
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_ALERTING: 8301
 - DTAP matches expected message
-DMNCC receive message MNCC_SETUP_RSP
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_SETUP_RSP' from MNCC in state 4 (CALL_DELIVERED)
-DCC starting timer T313 with 30 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CALL_DELIVERED -> CONNECT_IND
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_SETUP_RSP
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_SETUP_RSP in state CALL_DELIVERED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting timer T313 with 30 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state CALL_DELIVERED -> CONNECT_IND
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_CONNECT: 8307
 - DTAP matches expected message
@@ -312,11 +312,11 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_CONNECT_ACK
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_CONNECT_ACK (0x3:0xf)
-DCC stopping pending timer T313
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CONNECT_IND -> ACTIVE
-DCC (sub 42342) stopping pending guard timer
-DMNCC transmit message MNCC_SETUP_COMPL_IND
-DCC Sending 'MNCC_SETUP_COMPL_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx CONNECT_ACK in state CONNECT_IND
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending timer T313
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state CONNECT_IND -> ACTIVE
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending guard timer
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_SETUP_COMPL_IND
   MSC --> MNCC: callref 0x80000001: MNCC_SETUP_COMPL_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
@@ -328,30 +328,31 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_DISCONNECT
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_DISCONNECT (0x3:0x25)
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state ACTIVE -> DISCONNECT_IND
-DMNCC transmit message MNCC_DISC_IND
-DCC Sending 'MNCC_DISC_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx DISCONNECT in state ACTIVE
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_DISC_IND
   MSC --> MNCC: callref 0x80000001: MNCC_DISC_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
-DMNCC receive message MNCC_REL_REQ
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_REL_REQ' from MNCC in state 12 (DISCONNECT_IND)
-DCC starting timer T308 with 10 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state DISCONNECT_IND -> RELEASE_REQ
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_REL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx MNCC_REL_REQ in state DISCONNECT_IND
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) new state DISCONNECT_IND -> RELEASE_REQ
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 832d
 - DTAP matches expected message
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_RELEASE_COMPL
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_RELEASE_COMPL (0x3:0x2a)
-DCC stopping pending timer T308
-DMNCC transmit message MNCC_REL_CNF
-DCC Sending 'MNCC_REL_CNF' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) stopping pending timer T308
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000001 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000001: MNCC_REL_CNF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
   MS <--Call Release-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x0
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state RELEASE_REQ -> NULL
-DCC (sub 42342) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,conn)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - trans_cc == 1 (0x2: dtap)
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
@@ -559,10 +560,9 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - standard_lu: now used by 1 (attached)
 ---
 - after a while, MNCC asks us to setup a call, causing Paging
-DMNCC receive message MNCC_SETUP_REQ
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + mncc_tx_to_cc: now used by 2 (attached,mncc_tx_to_cc)
-DCC (ti ff sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 423) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + CC: now used by 3 (attached,mncc_tx_to_cc,CC)
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x423 tid-255) New transaction
 DMM Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 not paged yet, start paging.
   UTRAN-Iu sends out paging request to IMSI 901700000010650, TMSI 0x03020100, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -643,10 +643,10 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DCC Paging subscr 42342 succeeded!
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x423 tid-255,PAGING) Paging succeeded
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_cc == 1 (0x10: trans_cc)
-DCC starting timer T303 with 30 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state NULL -> CALL_PRESENT
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_SETUP: 0305
 - DTAP matches expected message
@@ -657,12 +657,12 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_CALL_CONF
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_CALL_CONF (0x3:0x8)
-DCC stopping pending timer T303
-DCC starting timer T310 with 30 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
   MS <--Call Assignment-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x423
-DMNCC transmit message MNCC_CALL_CONF_IND
-DCC Sending 'MNCC_CALL_CONF_IND' to MNCC.
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
@@ -671,11 +671,11 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_ALERTING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_ALERTING (0x3:0x1)
-DCC stopping pending timer T310
-DCC starting timer T301 with 180 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
-DMNCC transmit message MNCC_ALERT_IND
-DCC Sending 'MNCC_ALERT_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx ALERTING in state MO_TERM_CALL_CONF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND
   MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
@@ -683,18 +683,18 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_CONNECT
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_CONNECT (0x3:0x7)
-DCC stopping pending timer T301
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CALL_RECEIVED -> CONNECT_REQUEST
-DMNCC transmit message MNCC_SETUP_CNF
-DCC Sending 'MNCC_SETUP_CNF' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx CONNECT in state CALL_RECEIVED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> CONNECT_REQUEST
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_SETUP_CNF
   MSC --> MNCC: callref 0x423: MNCC_SETUP_CNF
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
-DMNCC receive message MNCC_SETUP_COMPL_REQ
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 00 sub 42342) Received 'MNCC_SETUP_COMPL_REQ' from MNCC in state 8 (CONNECT_REQUEST)
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CONNECT_REQUEST -> ACTIVE
-DCC (sub 42342) stopping pending guard timer
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_SETUP_COMPL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_SETUP_COMPL_REQ in state CONNECT_REQUEST
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state CONNECT_REQUEST -> ACTIVE
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending guard timer
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_CONNECT_ACK: 030f
 - DTAP matches expected message
@@ -706,30 +706,31 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_DISCONNECT
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_DISCONNECT (0x3:0x25)
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state ACTIVE -> DISCONNECT_IND
-DMNCC transmit message MNCC_DISC_IND
-DCC Sending 'MNCC_DISC_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx DISCONNECT in state ACTIVE
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state ACTIVE -> DISCONNECT_IND
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_DISC_IND
   MSC --> MNCC: callref 0x423: MNCC_DISC_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
-DMNCC receive message MNCC_REL_REQ
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 00 sub 42342) Received 'MNCC_REL_REQ' from MNCC in state 12 (DISCONNECT_IND)
-DCC starting timer T308 with 10 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state DISCONNECT_IND -> RELEASE_REQ
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ in state DISCONNECT_IND
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state DISCONNECT_IND -> RELEASE_REQ
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 032d
 - DTAP matches expected message
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_RELEASE_COMPL
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_RELEASE_COMPL (0x3:0x2a)
-DCC stopping pending timer T308
-DMNCC transmit message MNCC_REL_CNF
-DCC Sending 'MNCC_REL_CNF' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x423: MNCC_REL_CNF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x0 tid-0) Freeing transaction
   MS <--Call Release-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x0
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state RELEASE_REQ -> NULL
-DCC (sub 42342) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x0 tid-0) new state RELEASE_REQ -> NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x0 tid-0) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,conn)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - trans_cc == 1 (0x2: dtap)
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
@@ -937,10 +938,9 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - standard_lu: now used by 1 (attached)
 ---
 - after a while, MNCC asks us to setup a call, causing Paging
-DMNCC receive message MNCC_SETUP_REQ
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + mncc_tx_to_cc: now used by 2 (attached,mncc_tx_to_cc)
-DCC (ti ff sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 423) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + CC: now used by 3 (attached,mncc_tx_to_cc,CC)
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x423 tid-255) New transaction
 DMM Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 not paged yet, start paging.
   UTRAN-Iu sends out paging request to IMSI 901700000010650, TMSI 0x03020100, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -1021,10 +1021,10 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DCC Paging subscr 42342 succeeded!
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x423 tid-255,PAGING) Paging succeeded
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_cc == 1 (0x10: trans_cc)
-DCC starting timer T303 with 30 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state NULL -> CALL_PRESENT
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T303 with 30 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state NULL -> CALL_PRESENT
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_SETUP: 0305
 - DTAP matches expected message
@@ -1035,12 +1035,12 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_CALL_CONF
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_CALL_CONF (0x3:0x8)
-DCC stopping pending timer T303
-DCC starting timer T310 with 30 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CALL_PRESENT -> MO_TERM_CALL_CONF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx CALL_CONF in state CALL_PRESENT
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T303
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T310 with 30 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
   MS <--Call Assignment-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x423
-DMNCC transmit message MNCC_CALL_CONF_IND
-DCC Sending 'MNCC_CALL_CONF_IND' to MNCC.
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
@@ -1049,11 +1049,11 @@
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_ALERTING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_ALERTING (0x3:0x1)
-DCC stopping pending timer T310
-DCC starting timer T301 with 180 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
-DMNCC transmit message MNCC_ALERT_IND
-DCC Sending 'MNCC_ALERT_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx ALERTING in state MO_TERM_CALL_CONF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T310
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T301 with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state MO_TERM_CALL_CONF -> CALL_RECEIVED
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_ALERT_IND
   MSC --> MNCC: callref 0x423: MNCC_ALERT_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
@@ -1064,22 +1064,22 @@
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + release == 2 (0x110: trans_cc,release)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,CC,conn,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,CC,conn)
-DCC stopping pending timer T301
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) Freeing transaction
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T301
   MS <--Call Release-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x423
-DMNCC receive message MNCC_REL_REQ
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 00 sub 42342) Received 'MNCC_REL_REQ' from MNCC in state 7 (CALL_RECEIVED)
-DCC starting timer T308 with 10 seconds
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state CALL_RECEIVED -> RELEASE_REQ
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) rx MNCC_REL_REQ in state CALL_RECEIVED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state CALL_RECEIVED -> RELEASE_REQ
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 032d
 - DTAP matches expected message
-DMNCC transmit message MNCC_REL_CNF
-DCC Sending 'MNCC_REL_CNF' to MNCC.
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x423: MNCC_REL_CNF
-DCC stopping pending timer T308
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state RELEASE_REQ -> NULL
-DCC (sub 42342) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending timer T308
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) new state RELEASE_REQ -> NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x423 tid-0) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,conn)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - trans_cc == 1 (0x100: release)
 - Iu Release --UTRAN-Iu--> MS
@@ -1366,55 +1366,56 @@
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0xa: dtap,cm_service)
 DRLL Dispatching 04.08 message GSM48_MT_CC_SETUP (0x3:0x5)
 DCC Unknown transaction ID 8, creating new trans.
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 80000002) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + CC: now used by 3 (attached,conn,CC)
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x80000002 tid-8) New transaction
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_cc == 3 (0x1a: dtap,cm_service,trans_cc)
 DMM IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: rx msg GSM48_MT_CC_SETUP: received_cm_service_request changes to false
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - cm_service == 2 (0x12: dtap,trans_cc)
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state NULL -> INITIATED
-DCC Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (42342) sends SETUP to 123
-DMNCC transmit message MNCC_SETUP_IND
-DCC Sending 'MNCC_SETUP_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx SETUP in state NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) new state NULL -> INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) SETUP to 123
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_SETUP_IND
   MSC --> MNCC: callref 0x80000002: MNCC_SETUP_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
 - MNCC says that's fine
-DMNCC receive message MNCC_CALL_PROC_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_CALL_PROC_REQ' from MNCC in state 1 (INITIATED)
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state INITIATED -> MO_CALL_PROC
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx MNCC_CALL_PROC_REQ in state INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) new state INITIATED -> MO_CALL_PROC
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_CALL_PROC: 8302
 - DTAP matches expected message
   MS <--Call Assignment-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x80000002
 - But the other side's MSISDN could not be resolved, MNCC tells us to cancel
-DMNCC receive message MNCC_REL_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_REL_REQ' from MNCC in state 3 (MO_CALL_PROC)
-DCC starting timer T308 with 10 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state MO_CALL_PROC -> RELEASE_REQ
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx MNCC_REL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx MNCC_REL_REQ in state MO_CALL_PROC
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) new state MO_CALL_PROC -> RELEASE_REQ
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 832d
 - DTAP matches expected message
 - Total time passed: 10.000023 s
-DCC starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) starting timer T308 with 10 seconds
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 832d
 - DTAP matches expected message
   MSC <--UTRAN-Iu-- MS: GSM48_MT_CC_RELEASE_COMPL
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x12: dtap,trans_cc)
 DRLL Dispatching 04.08 message GSM48_MT_CC_RELEASE_COMPL (0x3:0x2a)
-DCC stopping pending timer T308
-DMNCC transmit message MNCC_REL_CNF
-DCC Sending 'MNCC_REL_CNF' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) rx RELEASE_COMPL in state RELEASE_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) stopping pending timer T308
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000002 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000002: MNCC_REL_CNF
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) Freeing transaction
   MS <--Call Release-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x0
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state RELEASE_REQ -> NULL
-DCC (sub 42342) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x0 tid-8) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,conn)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - trans_cc == 1 (0x2: dtap)
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
@@ -1707,54 +1708,54 @@
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0xa: dtap,cm_service)
 DRLL Dispatching 04.08 message GSM48_MT_CC_SETUP (0x3:0x5)
 DCC Unknown transaction ID 8, creating new trans.
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 80000003) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + CC: now used by 3 (attached,conn,CC)
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x80000003 tid-8) New transaction
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_cc == 3 (0x1a: dtap,cm_service,trans_cc)
 DMM IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: rx msg GSM48_MT_CC_SETUP: received_cm_service_request changes to false
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - cm_service == 2 (0x12: dtap,trans_cc)
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state NULL -> INITIATED
-DCC Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (42342) sends SETUP to 123
-DMNCC transmit message MNCC_SETUP_IND
-DCC Sending 'MNCC_SETUP_IND' to MNCC.
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) rx SETUP in state NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) new state NULL -> INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) SETUP to 123
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_SETUP_IND
   MSC --> MNCC: callref 0x80000003: MNCC_SETUP_IND
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - dtap == 1 (0x10: trans_cc)
 - MNCC says that's fine
-DMNCC receive message MNCC_CALL_PROC_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_CALL_PROC_REQ' from MNCC in state 1 (INITIATED)
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state INITIATED -> MO_CALL_PROC
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) rx MNCC_CALL_PROC_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) rx MNCC_CALL_PROC_REQ in state INITIATED
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) new state INITIATED -> MO_CALL_PROC
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_CALL_PROC: 8302
 - DTAP matches expected message
   MS <--Call Assignment-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x80000003
 - But the other side's MSISDN could not be resolved, MNCC tells us to cancel
-DMNCC receive message MNCC_REL_REQ
-DCC (sub 42342) stopping pending guard timer
-DCC (sub 42342) starting guard timer with 180 seconds
-DCC (ti 08 sub 42342) Received 'MNCC_REL_REQ' from MNCC in state 3 (MO_CALL_PROC)
-DCC starting timer T308 with 10 seconds
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state MO_CALL_PROC -> RELEASE_REQ
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) rx MNCC_REL_REQ
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) starting guard timer with 180 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) rx MNCC_REL_REQ in state MO_CALL_PROC
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) new state MO_CALL_PROC -> RELEASE_REQ
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 832d
 - DTAP matches expected message
 - Despite our repeated CC Release Requests, the MS does not respond anymore
 - Total time passed: 10.000023 s
-DCC starting timer T308 with 10 seconds
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) starting timer T308 with 10 seconds
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: GSM48_MT_CC_RELEASE: 832d
 - DTAP matches expected message
 - The CC Release times out and we still properly clear the conn
 - Total time passed: 20.000046 s
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) Freeing transaction
   MS <--Call Release-- MSC: subscr=IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref=0x80000003
-DMNCC transmit message MNCC_REL_CNF
-DCC Sending 'MNCC_REL_CNF' to MNCC.
+DMNCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) tx MNCC_REL_CNF
   MSC --> MNCC: callref 0x80000003: MNCC_REL_CNF
-DCC (ti 08 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100) new state RELEASE_REQ -> NULL
-DCC (sub 42342) stopping pending guard timer
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) new state RELEASE_REQ -> NULL
+DCC trans(CC IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ callref-0x80000003 tid-8) stopping pending guard timer
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - CC: now used by 2 (attached,conn)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use - trans_cc == 0 (0x0: )
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_UNUSED
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_authen.err b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
index 166a95d..457b77f 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_authen.err
@@ -262,17 +262,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_gsm_authen: now used by 2 (attached,test_gsm_authen)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,test_gsm_authen,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,test_gsm_authen,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -353,13 +353,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 2 (0x22: dtap,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -380,7 +380,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -392,25 +392,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
@@ -772,17 +773,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + test_gsm_authen_tmsi: now used by 2 (attached,test_gsm_authen_tmsi)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS-receiver: now used by 3 (attached,test_gsm_authen_tmsi,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS: now used by 4 (attached,test_gsm_authen_tmsi,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0x03020100, LAC 23
   paging_expecting_tmsi == 0x03020100
@@ -863,13 +864,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + trans_sms == 2 (0x22: dtap,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -890,7 +891,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -902,25 +903,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS: now used by 2 (attached,conn)
@@ -2354,17 +2356,17 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + test_gsm_milenage_authen: now used by 2 (attached,test_gsm_milenage_authen)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + SMS-receiver: now used by 3 (attached,test_gsm_milenage_authen,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342 callref 40000003) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + SMS: now used by 4 (attached,test_gsm_milenage_authen,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000010650:MSISDN-42342 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000010650:MSISDN-42342 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000010650, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -2445,13 +2447,13 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + trans_sms == 2 (0x22: dtap,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000010650:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -2472,7 +2474,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -2484,25 +2486,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - SMS: now used by 2 (attached,conn)
diff --git a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
index b65cccd..9ca5b8c 100644
--- a/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
+++ b/tests/msc_vlr/msc_vlr_test_gsm_ciph.err
@@ -290,17 +290,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_ciph: now used by 2 (attached,test_ciph)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,test_ciph,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,test_ciph,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -407,13 +407,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -432,7 +432,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -444,25 +444,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
@@ -853,17 +854,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + test_ciph_tmsi: now used by 2 (attached,test_ciph_tmsi)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS-receiver: now used by 3 (attached,test_ciph_tmsi,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS: now used by 4 (attached,test_ciph_tmsi,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0x03020100, LAC 23
   paging_expecting_tmsi == 0x03020100
@@ -970,13 +971,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -995,7 +996,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -1007,25 +1008,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS: now used by 2 (attached,conn)
@@ -2106,17 +2108,17 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + test_gsm_ciph_in_umts_env: now used by 2 (attached,test_gsm_ciph_in_umts_env)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + SMS-receiver: now used by 3 (attached,test_gsm_ciph_in_umts_env,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342 callref 40000003) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 + SMS: now used by 4 (attached,test_gsm_ciph_in_umts_env,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000010650:MSISDN-42342 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000010650:MSISDN-42342 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000010650, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -2213,13 +2215,13 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342 callref-0x40000003 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000010650:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -2238,7 +2240,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -2250,25 +2252,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000010650:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342 - SMS: now used by 2 (attached,conn)
@@ -2620,17 +2623,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + test_a5_3_supported: now used by 2 (attached,test_a5_3_supported)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + SMS-receiver: now used by 3 (attached,test_a5_3_supported,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-42342 callref 40000004) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + SMS: now used by 4 (attached,test_a5_3_supported,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000004 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000004 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-42342 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000004 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-42342 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -2737,13 +2740,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-42342 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000004 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -2762,7 +2765,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -2774,25 +2777,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000004 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - SMS: now used by 2 (attached,conn)
@@ -3144,17 +3148,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + test_cm_service_needs_classmark_update: now used by 2 (attached,test_cm_service_needs_classmark_update)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + SMS-receiver: now used by 3 (attached,test_cm_service_needs_classmark_update,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-42342 callref 40000005) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 + SMS: now used by 4 (attached,test_cm_service_needs_classmark_update,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000005 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000005 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-42342 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000005 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-42342 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -3257,13 +3261,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-42342 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342 callref-0x40000005 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -3282,7 +3286,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -3294,25 +3298,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-42342: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-42342 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-42342:GERAN-A-0:PAGING_RESP callref-0x40000005 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-42342 - SMS: now used by 2 (attached,conn)
diff --git a/tests/msc_vlr/msc_vlr_test_ms_timeout.err b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
index 7fd4978..8ff251a 100644
--- a/tests/msc_vlr/msc_vlr_test_ms_timeout.err
+++ b/tests/msc_vlr/msc_vlr_test_ms_timeout.err
@@ -446,17 +446,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_ms_timeout_paging: now used by 2 (attached,test_ms_timeout_paging)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,test_ms_timeout_paging,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,test_ms_timeout_paging,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -473,17 +473,17 @@
   vsub->cs.is_paging == 1
 - another request is added to the list but does not cause another paging
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 6 (attached,2*SMS-receiver,SMS,Paging,test_ms_timeout_paging)
-DLSMS Going to send a MT SMS
-DCC (ti 01 sub IMSI-901700000004620:MSISDN-46071 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 7 (attached,2*SMS-receiver,2*SMS,Paging,test_ms_timeout_paging)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 already paged.
   llist_count(&vsub->cs.requests) == 2
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - test_ms_timeout_paging: now used by 6 (attached,2*SMS-receiver,2*SMS,Paging)
@@ -492,32 +492,34 @@
 - Total time passed: 11.000000 s
 DPAG Paging failure for IMSI-901700000004620:MSISDN-46071 (event=1)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=1)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(expired)
 DLSMS SMC(0) message MMSMS-REL-IND received in state MM_CONN_PENDING
 DLSMS SMC(0) MM layer is released
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> IDLE
-DLSMS MNSMS-ERROR-IND, no cause
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) MNSMS-ERROR-IND, no cause
 DLSMS SMR(0) message MNSMS-ERROR-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) TX SMS MNSMS-ERROR-IND
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state IDLE
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 5 (attached,SMS-receiver,2*SMS,Paging)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 4 (attached,SMS-receiver,SMS,Paging)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=1)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1,PAGING) paging_cb_mmsms_est_req(expired)
 DLSMS SMC(0) message MMSMS-REL-IND received in state MM_CONN_PENDING
 DLSMS SMC(0) MM layer is released
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> IDLE
-DLSMS MNSMS-ERROR-IND, no cause
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1) MNSMS-ERROR-IND, no cause
 DLSMS SMR(0) message MNSMS-ERROR-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) TX SMS MNSMS-ERROR-IND
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state IDLE
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,Paging)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-1) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,Paging)
@@ -529,17 +531,17 @@
 ---
 - Now that the timeout has expired, another Paging is sent on request
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,test_ms_timeout_paging,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000003) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,test_ms_timeout_paging,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -560,17 +562,18 @@
 DMM IMSI DETACH for IMSI-901700000004620:MSISDN-46071
 DPAG Paging failure for IMSI-901700000004620:MSISDN-46071 (event=1)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=1)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0,PAGING) paging_cb_mmsms_est_req(expired)
 DLSMS SMC(0) message MMSMS-REL-IND received in state MM_CONN_PENDING
 DLSMS SMC(0) MM layer is released
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> IDLE
-DLSMS MNSMS-ERROR-IND, no cause
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) MNSMS-ERROR-IND, no cause
 DLSMS SMR(0) message MNSMS-ERROR-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) TX SMS MNSMS-ERROR-IND
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state IDLE
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 4 (attached,SMS,Paging,gsm48_rx_mm_imsi_detach_ind)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 3 (attached,Paging,gsm48_rx_mm_imsi_detach_ind)
diff --git a/tests/msc_vlr/msc_vlr_test_no_authen.err b/tests/msc_vlr/msc_vlr_test_no_authen.err
index b21e3fc..6f5adb6 100644
--- a/tests/msc_vlr/msc_vlr_test_no_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_no_authen.err
@@ -176,17 +176,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + test_no_authen: now used by 2 (attached,test_no_authen)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,test_no_authen,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,test_no_authen,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -227,13 +227,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_NEW}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 2 (0x21: compl_l3,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -255,7 +255,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -267,25 +267,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
@@ -561,17 +562,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + test_no_authen_tmsi: now used by 2 (attached,test_no_authen_tmsi)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS-receiver: now used by 3 (attached,test_no_authen_tmsi,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 + SMS: now used by 4 (attached,test_no_authen_tmsi,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0x03020100, LAC 23
   paging_expecting_tmsi == 0x03020100
@@ -612,13 +613,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_NEW}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 callref-0x40000002 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + trans_sms == 2 (0x21: compl_l3,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -640,7 +641,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -652,25 +653,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071:TMSI-0x03020100 - SMS: now used by 2 (attached,conn)
diff --git a/tests/msc_vlr/msc_vlr_test_reject_concurrency.err b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
index 7dc039d..71bf732 100644
--- a/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
+++ b/tests/msc_vlr/msc_vlr_test_reject_concurrency.err
@@ -1175,17 +1175,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + _page: now used by 2 (attached,_page)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,_page,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,_page,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -1222,13 +1222,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_NEW}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 2 (0x21: compl_l3,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -1255,7 +1255,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -1267,25 +1267,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
@@ -1426,17 +1427,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + _page: now used by 2 (attached,_page)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,_page,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,_page,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -1473,13 +1474,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_NEW}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000002 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 2 (0x21: compl_l3,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -1512,7 +1513,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 3 (0x2a: dtap,cm_service,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -1524,25 +1525,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 3 (0x2a: dtap,cm_service,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x40000002 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
@@ -1698,17 +1700,17 @@
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + _page: now used by 2 (attached,_page)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS-receiver: now used by 3 (attached,_page,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000004620:MSISDN-46071 callref 40000003) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + SMS: now used by 4 (attached,_page,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000004620:MSISDN-46071 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -1745,13 +1747,13 @@
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_NEW}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000004620:MSISDN-46071 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071 callref-0x40000003 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_sms == 2 (0x21: compl_l3,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 64 70 f1 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005806470f1000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -1776,7 +1778,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -1788,25 +1790,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x40000003 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - SMS: now used by 2 (attached,conn)
diff --git a/tests/msc_vlr/msc_vlr_test_ss.err b/tests/msc_vlr/msc_vlr_test_ss.err
index 744f25a..fa091ce 100644
--- a/tests/msc_vlr/msc_vlr_test_ss.err
+++ b/tests/msc_vlr/msc_vlr_test_ss.err
@@ -145,13 +145,12 @@
   MSC <--GERAN-A-- MS: GSM0480_MTYPE_REGISTER
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0xa: dtap,cm_service)
 DRLL Dispatching 04.08 message GSM0480_MTYPE_REGISTER (0xb:0x3b)
-DMM Received SS/USSD data (trans_id=8, msg_type=GSM0480_MTYPE_REGISTER)
-DMM  -> (new transaction)
-DCC (ti 08 sub IMSI-901700000004620:MSISDN-46071 callref 20000001) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + NCSS: now used by 3 (attached,conn,NCSS)
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071 callref-0x20000001 tid-8) New transaction
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + trans_nc_ss == 3 (0x4a: dtap,cm_service,trans_nc_ss)
 DMM IMSI-901700000004620:MSISDN-46071: rx msg GSM0480_MTYPE_REGISTER: received_cm_service_request changes to false
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use - cm_service == 2 (0x42: dtap,trans_nc_ss)
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x20000001 tid-8) Received SS/USSD msg GSM0480_MTYPE_REGISTER
 GSUP --> HLR: OSMO_GSUP_MSGT_PROC_SS_REQUEST: 20010809710000004026f03004200000013101013515a11302010102013b300b04010f0406aa510c061b01
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
@@ -163,6 +162,7 @@
 DMSC msc_tx 43 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: GSM0480_MTYPE_RELEASE_COMPLETE: 8b2a1c27a225020101302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
 - DTAP matches expected message
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ callref-0x20000001 tid-8) Freeing transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - NCSS: now used by 3 (attached,conn,vlr_gsupc_read_cb)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use - trans_nc_ss == 0 (0x0: )
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:CM_SERVICE_REQ){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_UNUSED
@@ -307,10 +307,10 @@
 DVLR GSUP rx 43: 20010809710000004026f03004200001013101013515a11302010102013b300b04010f0406aa510c061b01
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + vlr_gsupc_read_cb: now used by 3 (attached,_test_ss_ussd_no,vlr_gsupc_read_cb)
 DMSC Routed to GSM 09.11 SS/USSD handler
-DMM Establishing network-originated session
-DCC (ti ff sub IMSI-901700000004620:MSISDN-46071 callref 20000101) New transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 + NCSS: now used by 4 (attached,_test_ss_ussd_no,vlr_gsupc_read_cb,NCSS)
-DMM Triggering Paging Request
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071 callref-0x20000101 tid-255) New transaction
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071 callref-0x20000101 tid-255) Establishing network-originated session
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071 callref-0x20000101 tid-0) Triggering Paging Request
 DMM Subscriber IMSI-901700000004620:MSISDN-46071 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000004620, TMSI 0xffffffff, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -370,7 +370,7 @@
   MSC <--GERAN-A-- MS: GSM0480_MTYPE_FACILITY
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use + dtap == 2 (0x42: dtap,trans_nc_ss)
 DRLL Dispatching 04.08 message GSM0480_MTYPE_FACILITY (0xb:0x3a)
-DMM Received SS/USSD data (trans_id=0, msg_type=GSM0480_MTYPE_FACILITY)
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x20000101 tid-0) Received SS/USSD msg GSM0480_MTYPE_FACILITY
 GSUP --> HLR: OSMO_GSUP_MSGT_PROC_SS_REQUEST: 20010809710000004026f03004200001013101023527a225020101302002013b301b04010f0416d9775d0e2ae3e965f73cfd7683d27310cd06bbc51a0d
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
@@ -385,6 +385,7 @@
 DMSC msc_tx 2 bytes to IMSI-901700000004620:MSISDN-46071 via GERAN-A
 - DTAP --GERAN-A--> MS: GSM0480_MTYPE_RELEASE_COMPLETE: 0b2a
 - DTAP matches expected message
+DMSC trans(NCSS IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP callref-0x20000101 tid-0) Freeing transaction
 DREF VLR subscr IMSI-901700000004620:MSISDN-46071 - NCSS: now used by 3 (attached,conn,vlr_gsupc_read_cb)
 DREF IMSI-901700000004620:MSISDN-46071: MSC conn use - trans_nc_ss == 0 (0x0: )
 DMM RAN_conn(IMSI-901700000004620:MSISDN-46071:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_UNUSED
diff --git a/tests/msc_vlr/msc_vlr_test_umts_authen.err b/tests/msc_vlr/msc_vlr_test_umts_authen.err
index b0ed61f..298d6ad 100644
--- a/tests/msc_vlr/msc_vlr_test_umts_authen.err
+++ b/tests/msc_vlr/msc_vlr_test_umts_authen.err
@@ -279,17 +279,17 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + _test_umts_authen: now used by 2 (attached,_test_umts_authen)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + SMS-receiver: now used by 3 (attached,_test_umts_authen,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 40000001) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + SMS: now used by 4 (attached,_test_umts_authen,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000001 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000001 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000001 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 not paged yet, start paging.
   GERAN-A sends out paging request to IMSI 901700000010650, TMSI 0x03020100, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -371,13 +371,13 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000001 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_sms == 2 (0x22: dtap,trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -398,7 +398,7 @@
   MSC <--GERAN-A-- MS: SMS:0x04
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -410,25 +410,26 @@
   MSC <--GERAN-A-- MS: SMS:0x01
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via GERAN-A
 - DTAP --GERAN-A--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:GERAN-A-0:PAGING_RESP callref-0x40000001 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - SMS: now used by 2 (attached,conn)
@@ -792,17 +793,17 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + _test_umts_authen: now used by 2 (attached,_test_umts_authen)
   llist_count(&vsub->cs.requests) == 0
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + SMS-receiver: now used by 3 (attached,_test_umts_authen,SMS-receiver)
-DLSMS Going to send a MT SMS
-DCC (ti 00 sub IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref 40000002) New transaction
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + SMS: now used by 4 (attached,_test_umts_authen,SMS-receiver,SMS)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000002 tid-0) New transaction
 DLSMS SMC(0) instance created for network
 DLSMS SMR(0) instance created for network.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000002 tid-0) Going to send a MT SMS
 DLSMS SMR(0) message SM-RL-DATA_REQ received in state IDLE
 DLSMS SMR(0) TX SMS RP-DATA
 DLSMS SMR(0) new RP state IDLE -> WAIT_FOR_RP_ACK
 DLSMS SMC(0) message MNSMS-EST-REQ received in state IDLE
 DLSMS SMC(0) new CP state IDLE -> MM_CONN_PENDING
-DLSMS Initiating Paging procedure for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 due to MMSMS_EST_REQ
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000002 tid-0) Initiating Paging due to MMSMS_EST_REQ
 DMM Subscriber IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 not paged yet, start paging.
   UTRAN-Iu sends out paging request to IMSI 901700000010650, TMSI 0x03020100, LAC 23
   strcmp(paging_expecting_imsi, imsi) == 0
@@ -900,13 +901,13 @@
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_AUTH_CIPH}: Received Event RAN_CONN_E_ACCEPTED
 DPAG Paging success for IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 (event=0)
 DPAG Calling paging cbfn.
-DLSMS paging_cb_mmsms_est_req(hooknum=1, event=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 callref-0x40000002 tid-0,PAGING) paging_cb_mmsms_est_req(success)
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + trans_sms == 1 (0x20: trans_sms)
 DLSMS SMC(0) message MMSMS-EST-CNF received in state MM_CONN_PENDING
 DLSMS SMC(0) send CP data
 DLSMS SMC(0) new CP state MM_CONN_PENDING -> WAIT_CP_ACK
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 01 58 01 00 07 91 44 77 58 10 06 50 00 4c 00 05 80 24 43 f2 00 00 07 10 10 00 00 00 00 44 50 79 da 1e 1e e7 41 69 37 48 5e 9e a7 c9 65 37 3d 1d 66 83 c2 70 38 3b 3d 0e d3 d3 6f f7 1c 94 9e 83 c2 20 72 79 9e 96 87 c5 ec 32 a8 1d 96 af cb f4 b4 fb 0c 7a c3 e9 e9 b7 db 05 
 DMSC msc_tx 91 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: SMS:0x01: 09015801000791447758100650004c0005802443f2000007101000000000445079da1e1ee7416937485e9ea7c965373d1d6683c270383b3d0ed3d36ff71c949e83c22072799e9687c5ec32a81d96afcbf4b4fb0c7ac3e9e9b7db05
 - DTAP matches expected message
@@ -924,7 +925,7 @@
   MSC <--UTRAN-Iu-- MS: SMS:0x04
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x04 (0x9:0x4)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x04)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x04
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: Received Event RAN_CONN_E_COMMUNICATING
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_ACCEPTED}: state_chg to RAN_CONN_S_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP ACK) received in state WAIT_CP_ACK
@@ -936,25 +937,26 @@
   MSC <--UTRAN-Iu-- MS: SMS:0x01
 DREF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100: MSC conn use + dtap == 2 (0x22: dtap,trans_sms)
 DRLL Dispatching 04.08 message SMS:0x01 (0x9:0x1)
-DLSMS receiving data (trans_id=0, msg_type=SMS:0x01)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) receiving SMS message SMS:0x01
 DMM RAN_conn(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP){RAN_CONN_S_COMMUNICATING}: Received Event RAN_CONN_E_COMMUNICATING
 DLSMS SMC(0) message MMSMS-DATA-IND (CP DATA) received in state MM_ESTABLISHED
 DLSMS SMC(0) received CP-DATA
-DLSMS sending CP message (trans=0)
-DLSMS GSM4.11 TX 09 04 
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) sending CP message (trans=0)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) GSM4.11 TX 09 04 
 DMSC msc_tx 2 bytes to IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 via UTRAN-Iu
 - DTAP --UTRAN-Iu--> MS: SMS:0x04: 0904
 - DTAP matches expected message
-DLSMS MNSMS-DATA/EST-IND
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) MNSMS-DATA/EST-IND
 DLSMS SMR(0) message MNSMS-DATA-IND received in state WAIT_FOR_RP_ACK
 DLSMS SMR(0) RX SMS RP-ACK
 DLSMS SMR(0) new RP state WAIT_FOR_RP_ACK -> IDLE
-DLSMS RX SMS RP-ACK (MO)
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) RX SMS RP-ACK (MO)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - SMS-receiver: now used by 3 (attached,SMS,conn)
 DLSMS SMR(0) TX: MNSMS-REL-REQ
 DLSMS SMC(0) message MNSMS-REL-REQ received in state MM_ESTABLISHED
 DLSMS SMC(0) new CP state MM_ESTABLISHED -> IDLE
-DLSMS Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) Got MMSMS_REL_REQ, destroying transaction.
+DLSMS trans(SMS IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu-42:PAGING_RESP callref-0x40000002 tid-0) Freeing transaction
 DLSMS SMR(0) clearing SMR instance
 DLSMS SMC(0) clearing instance
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - SMS: now used by 2 (attached,conn)