diff --git a/include/osmocom/msc/msc_t.h b/include/osmocom/msc/msc_t.h
index 39b3abc..876c11d 100644
--- a/include/osmocom/msc/msc_t.h
+++ b/include/osmocom/msc/msc_t.h
@@ -30,7 +30,7 @@
 	struct {
 		struct an_apdu ho_request;
 		struct gsm0808_cell_id cell_id_target;
-		uint32_t callref;
+		uint32_t call_id;
 		char handover_number[16]; /* No libosmocore definition for MSISDN_MAXLEN? */
 		struct call_leg *call_leg;
 		struct mncc_call *mncc_forwarding_to_remote_cn;
diff --git a/include/osmocom/msc/transaction.h b/include/osmocom/msc/transaction.h
index d2a463d..63070f7 100644
--- a/include/osmocom/msc/transaction.h
+++ b/include/osmocom/msc/transaction.h
@@ -83,6 +83,9 @@
 	/* reference from MNCC or other application */
 	uint32_t callref;
 
+	/* reference that may be used by MGW to identify a call */
+	uint32_t call_id;
+
 	/* if traffic channel receive was requested */
 	int tch_recv;
 
diff --git a/src/libmsc/gsm_04_08_cc.c b/src/libmsc/gsm_04_08_cc.c
index 8773db7..0195b0b 100644
--- a/src/libmsc/gsm_04_08_cc.c
+++ b/src/libmsc/gsm_04_08_cc.c
@@ -440,7 +440,7 @@
 	cl1 = trans1->msc_a->cc.call_leg;
 	cl2 = trans2->msc_a->cc.call_leg;
 
-	return call_leg_local_bridge(cl1, trans1->callref, trans1, cl2, trans2->callref, trans2);
+	return call_leg_local_bridge(cl1, trans1->call_id, trans1, cl2, trans2->call_id, trans2);
 }
 
 static int gsm48_cc_rx_status_enq(struct gsm_trans *trans, struct msgb *msg)
diff --git a/src/libmsc/msc_a.c b/src/libmsc/msc_a.c
index 11b242e..b9aaeaa 100644
--- a/src/libmsc/msc_a.c
+++ b/src/libmsc/msc_a.c
@@ -620,7 +620,7 @@
 	 * If no RAN side RTP is established, try to guess a preliminary codec from SDP -- before Assignment, picking a
 	 * codec from the SDP is more politeness/avoiding confusion than necessity. The actual codec to be used would be
 	 * determined later. If no codec could be determined, pass none for the time being. */
-	return call_leg_ensure_ci(cl, RTP_TO_CN, cc_trans->callref, cc_trans,
+	return call_leg_ensure_ci(cl, RTP_TO_CN, cc_trans->call_id, cc_trans,
 				  rtp_to_ran->codecs_known ? &rtp_to_ran->codecs : NULL, NULL);
 }
 
@@ -690,7 +690,7 @@
 			.osmux_present = msc_a->cc.call_leg->rtp[RTP_TO_RAN]->use_osmux,
 			.osmux_cid = msc_a->cc.call_leg->rtp[RTP_TO_RAN]->local_osmux_cid,
 			.call_id_present = true,
-			.call_id = cc_trans->callref,
+			.call_id = cc_trans->call_id,
 			.lcls = cc_trans->cc.lcls,
 		},
 	};
@@ -1898,7 +1898,7 @@
 	 * osmo_mgcpc_ep_fsm automagically waits for the first CRCX to complete before firing the second CRCX. The one
 	 * issued first here will also be the first CRCX sent to the MGW. Usually both still need to be set up. */
 	if (!cn_rtp_available)
-		call_leg_ensure_ci(cl, RTP_TO_CN, cc_trans->callref, cc_trans,
+		call_leg_ensure_ci(cl, RTP_TO_CN, cc_trans->call_id, cc_trans,
 				   &cc_trans->cc.local.audio_codecs, NULL);
 	if (!ran_rtp_available) {
 		struct sdp_audio_codecs *codecs;
@@ -1906,7 +1906,7 @@
 			codecs = &msc_a->c.ran->force_mgw_codecs_to_ran;
 		else
 			codecs = &cc_trans->cc.local.audio_codecs;
-		return call_leg_ensure_ci(cl, RTP_TO_RAN, cc_trans->callref, cc_trans, codecs, NULL);
+		return call_leg_ensure_ci(cl, RTP_TO_RAN, cc_trans->call_id, cc_trans, codecs, NULL);
 	}
 
 	/* Should these already be set up, immediately continue by retriggering the events signalling that the RTP
diff --git a/src/libmsc/msc_ho.c b/src/libmsc/msc_ho.c
index ce3f100..9e4417f 100644
--- a/src/libmsc/msc_ho.c
+++ b/src/libmsc/msc_ho.c
@@ -421,7 +421,7 @@
 		}
 		ran_enc_msg.handover_request.geran.channel_type = &channel_type;
 		ran_enc_msg.handover_request.call_id_present = true;
-		ran_enc_msg.handover_request.call_id = cc_trans->callref;
+		ran_enc_msg.handover_request.call_id = cc_trans->call_id;
 
 		sdp_audio_codecs_to_speech_codec_list(&scl, &cc_trans->cc.local.audio_codecs);
 		if (!scl.len) {
diff --git a/src/libmsc/msc_t.c b/src/libmsc/msc_t.c
index b3429ed..eb6c797 100644
--- a/src/libmsc/msc_t.c
+++ b/src/libmsc/msc_t.c
@@ -160,7 +160,7 @@
 	}
 
 	msc_t->inter_msc.cell_id_target = ran_dec->handover_request.cell_id_target;
-	msc_t->inter_msc.callref = ran_dec->handover_request.call_id;
+	msc_t->inter_msc.call_id = ran_dec->handover_request.call_id;
 
 	/* TODO other parameters...?
 	 * Global Call Reference
@@ -358,8 +358,8 @@
 						   MSC_EV_CALL_LEG_RTP_LOCAL_ADDR_AVAILABLE,
 						   MSC_EV_CALL_LEG_RTP_COMPLETE);
 	if (!msc_t->inter_msc.call_leg
-	    || call_leg_ensure_ci(msc_t->inter_msc.call_leg, RTP_TO_RAN, msc_t->inter_msc.callref, NULL, NULL, NULL)
-	    || call_leg_ensure_ci(msc_t->inter_msc.call_leg, RTP_TO_CN, msc_t->inter_msc.callref, NULL, NULL, NULL)) {
+	    || call_leg_ensure_ci(msc_t->inter_msc.call_leg, RTP_TO_RAN, msc_t->inter_msc.call_id, NULL, NULL, NULL)
+	    || call_leg_ensure_ci(msc_t->inter_msc.call_leg, RTP_TO_CN, msc_t->inter_msc.call_id, NULL, NULL, NULL)) {
 		msc_t_error("Failed to set up call leg\n");
 		return;
 	}
diff --git a/src/libmsc/transaction.c b/src/libmsc/transaction.c
index 6c12409..190da29 100644
--- a/src/libmsc/transaction.c
+++ b/src/libmsc/transaction.c
@@ -181,6 +181,8 @@
 	return get_value_string_or_null(trans_type_names, type) ? : "trans-type-unknown";
 }
 
+static uint32_t new_call_id = 1;
+
 /*! Allocate a new transaction and add it to network list
  *  \param[in] net Netwokr in which we allocate transaction
  *  \param[in] subscr Subscriber for which we allocate transaction
@@ -212,6 +214,7 @@
 		.log_subsys = subsys,
 		.transaction_id = trans_id,
 		.callref = callref,
+		.call_id = new_call_id++,
 		.net = net,
 		/* empty bearer_cap: make sure the speech_ver array is empty */
 		.bearer_cap = {
diff --git a/tests/msc_vlr/msc_vlr_test_call.err b/tests/msc_vlr/msc_vlr_test_call.err
index aaf4191..a1da0f7 100644
--- a/tests/msc_vlr/msc_vlr_test_call.err
+++ b/tests/msc_vlr/msc_vlr_test_call.err
@@ -295,14 +295,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: :0{AMR:octet-align=1#112} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000001 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x1 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000001 codecs=VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x1 codecs=VND.3GPP.IUFP/16000#96
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -337,8 +337,8 @@
 DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) Assignment Complete: RAN: VND.3GPP.IUFP/16000#96, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000001 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
@@ -455,12 +455,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483649:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-1:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -816,14 +816,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x2 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x2 codecs=VND.3GPP.IUFP/16000#96
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
@@ -840,8 +840,8 @@
 DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 - Assignment completes, triggering CRCX to CN
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: VND.3GPP.IUFP/16000#96, CN: AMR:octet-align=1#112
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
@@ -974,12 +974,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-2:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -1335,14 +1335,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x3 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x3 codecs=VND.3GPP.IUFP/16000#96
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
@@ -1373,8 +1373,8 @@
 DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 - Assignment completes, triggering CRCX to CN
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=10.23.23.1:23{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: VND.3GPP.IUFP/16000#96, CN: AMR:octet-align=1#112
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
@@ -1445,12 +1445,12 @@
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_RELEASING}: - cc: now used by 0 (-)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_A_EV_UNUSED
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP:trans-0:call-3:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -1785,14 +1785,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: :0{AMR:octet-align=1#112} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000002 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x4 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000002 codecs=VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x4 codecs=VND.3GPP.IUFP/16000#96
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -1827,8 +1827,8 @@
 DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) Assignment Complete: RAN: VND.3GPP.IUFP/16000#96, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000002 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
@@ -1900,12 +1900,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483650:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-4:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -2239,14 +2239,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: :0{AMR:octet-align=1#112} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000003 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x5 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000003 codecs=VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x5 codecs=VND.3GPP.IUFP/16000#96
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to VND.3GPP.IUFP/16000#96
 DREF msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -2281,8 +2281,8 @@
 DMSC dummy_msc_i(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){0}: Received Event MSC_I_EV_FROM_A_FORWARD_ACCESS_SIGNALLING_REQUEST
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DIUCS msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) Assignment Complete: RAN: VND.3GPP.IUFP/16000#96, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ callref-0x80000003 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} RAN={AMR:octet-align=1#112,AMR-WB/16000:octet-align=1#113})
@@ -2351,12 +2351,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-2147483651:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ:trans-8:call-5:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-42342:TMSI-0x03020100:UTRAN-Iu:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -2584,14 +2584,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000004 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x6 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000004 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x6 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -2631,9 +2631,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
@@ -2682,9 +2682,9 @@
 DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) msg_type=MNCC_ALERT_REQ
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
@@ -2708,9 +2708,9 @@
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) new state CALL_DELIVERED -> CONNECT_IND
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000004 tid-8) msg_type=MNCC_SETUP_RSP
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
@@ -2789,12 +2789,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483652:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-6:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -2926,14 +2926,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x7 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x7 codecs=AMR:octet-align=1#112
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
@@ -2952,9 +2952,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR3 HR3
 - Assignment completes, triggering CRCX to CN
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 remote=1.2.3.4:56{AMR:octet-align=1#112} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
@@ -3090,12 +3090,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-7:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -3200,14 +3200,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: :0{GSM#3} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000005 codecs=GSM#3
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x8 codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000005 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x8 codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
 DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -3243,9 +3243,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR1
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) Assignment Complete: RAN: GSM#3, CN: GSM#3
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
@@ -3292,9 +3292,9 @@
 DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) msg_type=MNCC_ALERT_REQ
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
@@ -3317,9 +3317,9 @@
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) new state CALL_DELIVERED -> CONNECT_IND
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000005 tid-8) msg_type=MNCC_SETUP_RSP
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
@@ -3397,12 +3397,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483653:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-8:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -3533,14 +3533,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=GSM#3
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0x9 codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0x9 codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
@@ -3559,9 +3559,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR1
 - Assignment completes, triggering CRCX to CN
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: GSM#3, CN: GSM#3
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
@@ -3694,12 +3694,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-9:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -3804,14 +3804,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: :0{GSM#3} (from: MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000006 codecs=GSM#3
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0xa codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000006 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0xa codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
 DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -3847,9 +3847,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR1
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) Assignment Complete: RAN: GSM#3, CN: GSM#3
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
@@ -3896,9 +3896,9 @@
 DCC trans(CC:MO_CALL_PROC IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state MO_CALL_PROC -> CALL_DELIVERED
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) msg_type=MNCC_ALERT_REQ
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:56
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_ALERTING
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_ALERTING: 8301
@@ -3921,9 +3921,9 @@
 DCC trans(CC:CALL_DELIVERED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) new state CALL_DELIVERED -> CONNECT_IND
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) codecs: 10.23.23.1:23{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:CONNECT_IND IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000006 tid-8) msg_type=MNCC_SETUP_RSP
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: remote addr already 1.2.3.4:56, no change
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: Sending DTAP: CC GSM48_MT_CC_CONNECT
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN encode: DTAP on GERAN-A
 - DTAP --GERAN-A--> MS: GSM48_MT_CC_CONNECT: 8307
@@ -4001,12 +4001,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483654:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-10:RTP_TO_CN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-56){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -4137,14 +4137,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=GSM#3
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0xb codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0xb codecs=GSM#3
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to GSM#3
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
 DMNCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) tx MNCC_CALL_CONF_IND
   MSC --> MNCC: callref 0x423: MNCC_CALL_CONF_IND
@@ -4163,9 +4163,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mt_tx_assignment_perm_speech == FR1
 - Assignment completes, triggering CRCX to CN
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI){UNINITIALIZED}: no change: codecs already set to GSM#3
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{GSM#3} (from: assigned=GSM#3 remote=1.2.3.4:56{GSM#3} MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment Complete: RAN: GSM#3, CN: GSM#3
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment complete, but still waiting for the CRCX OK on the CN side RTP
@@ -4298,12 +4298,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-11:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -4408,14 +4408,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000007 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0xc codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000007 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0xc codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -4455,9 +4455,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000007 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
@@ -4576,12 +4576,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483655:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-12:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -4809,14 +4809,14 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) codecs: :0{AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} (from: MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x80000008 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0xe codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x80000008 codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_CN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0xe codecs=AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111
 DREF msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: - rx_from_ms: now used by 1 (cc)
 - As soon as the MGW port towards CN is created, MNCC_SETUP_IND is triggered
   MGW --CRCX OK to RTP_TO_CN--> MSC
@@ -4856,9 +4856,9 @@
 - VALIDATE_PERM_SPEECH OK: &bssap_assignment_command_last_channel_type == t->mo_tx_assignment_perm_speech == FR3 HR3 FR2 FR1 HR1
 - Assignment succeeds, triggering MNCC_RTP_CREATE ack to MNCC
 DBSSAP msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_COMMUNICATING}: RAN decode: ASSIGNMENT_COMPLETE
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI){UNINITIALIZED}: setting codecs to AMR:octet-align=1#112
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI:local-10-23-23-1-23){UNINITIALIZED}: setting remote addr to 1.2.3.4:1234
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Not committing: no MGW endpoint CI set up
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) Assignment Complete: RAN: AMR:octet-align=1#112, CN: AMR:octet-align=1#112
 DCC trans(CC:INITIATED IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ callref-0x80000008 tid-8) codecs: 10.23.23.1:23{AMR:octet-align=1#112} (from: assigned=AMR:octet-align=1#112 MS={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
@@ -4977,12 +4977,12 @@
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 + vlr_subscr_cancel_attach_fsm: now used by 4 (attached,active-conn,msc_a_fsm_releasing_onenter,vlr_subscr_cancel_attach_fsm)
 DREF VLR subscr IMSI-901700000010650:MSISDN-46071 - vlr_subscr_cancel_attach_fsm: now used by 3 (attached,active-conn,msc_a_fsm_releasing_onenter)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-2147483656:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_RAN:no-CI:local-10-23-23-1-23:remote-1-2-3-4-1234){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ:trans-8:call-14:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:CM_SERVICE_REQ){MSC_A_ST_RELEASING}: Received Event MSC_EV_CALL_LEG_TERM
@@ -5114,10 +5114,10 @@
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: Allocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: is child of msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) codecs: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
-  MGW <--CRCX to RTP_TO_CN-- MSC: callref=0x423 codecs=(no-codecs)
+  MGW <--CRCX to RTP_TO_CN-- MSC: call_id=0xf codecs=(no-codecs)
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-  MGW <--CRCX to RTP_TO_RAN-- MSC: callref=0x423 codecs=(no-codecs)
+  MGW <--CRCX to RTP_TO_RAN-- MSC: call_id=0xf codecs=(no-codecs)
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: Allocated
 DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){UNINITIALIZED}: is child of call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DCC trans(CC:CALL_PRESENT IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) new state CALL_PRESENT -> MO_TERM_CALL_CONF
@@ -5136,12 +5136,12 @@
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Sending Assignment Command
 DCC trans(CC:MO_TERM_CALL_CONF IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP callref-0x423 tid-0) Assignment not possible, no matching codec: :0{(no-codecs)} (from: remote=1.2.3.4:56{AMR:octet-align=1#112} MS={GSM#3} bss={GSM#3,GSM-EFR#110,AMR:octet-align=1#112,GSM-HR-08#111} RAN={AMR:octet-align=1#112,GSM-EFR#110,GSM#3,GSM-HR-08#111})
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){ESTABLISHING}: state_chg to RELEASING
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_RAN:no-CI){UNINITIALIZED}: Deallocated
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
-DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-1059:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_RAN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_RAN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_RAN:no-CI){UNINITIALIZED}: Deallocated
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_CN:no-CI){UNINITIALIZED}: Terminating (cause = OSMO_FSM_TERM_PARENT)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_CN:no-CI){UNINITIALIZED}: Removing from parent call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
+DCC rtp_stream(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP:trans-0:call-15:RTP_TO_CN:no-CI){UNINITIALIZED}: Deallocated
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Terminating (cause = OSMO_FSM_TERM_REGULAR)
 DCC call_leg(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){RELEASING}: Removing from parent msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP)
 DMSC msc_a(IMSI-901700000010650:MSISDN-46071:GERAN-A:PAGING_RESP){MSC_A_ST_COMMUNICATING}: Received Event MSC_EV_CALL_LEG_TERM
diff --git a/tests/msc_vlr/msc_vlr_tests.c b/tests/msc_vlr/msc_vlr_tests.c
index 8009cf7..062d8a3 100644
--- a/tests/msc_vlr/msc_vlr_tests.c
+++ b/tests/msc_vlr/msc_vlr_tests.c
@@ -905,7 +905,7 @@
 			      const struct osmo_sockaddr_str *remote_addr_if_known)
 {
 	if (!cl->rtp[dir]) {
-		log("MGW <--CRCX to %s-- MSC: callref=0x%x codecs=%s", rtp_direction_name(dir), call_id,
+		log("MGW <--CRCX to %s-- MSC: call_id=0x%x codecs=%s", rtp_direction_name(dir), call_id,
 		    codecs_if_known ? sdp_audio_codecs_to_str(codecs_if_known) : "unset");
 
 		OSMO_ASSERT(expecting_crcx[dir]);