diff --git a/openbsc/src/libbsc/abis_rsl.c b/openbsc/src/libbsc/abis_rsl.c
index 12f68e9..6b62656 100644
--- a/openbsc/src/libbsc/abis_rsl.c
+++ b/openbsc/src/libbsc/abis_rsl.c
@@ -1295,7 +1295,7 @@
 	/* create IMMEDIATE ASSIGN REJECT 04.08 message */
 	memset(iar, 0, sizeof(*iar));
 	iar->proto_discr = GSM48_PDISC_RR;
-	iar->msg_type = GSM48_MT_RR_IMM_ASS;
+	iar->msg_type = GSM48_MT_RR_IMM_ASS_REJ;
 	iar->page_mode = GSM48_PM_SAME;
 
 	memcpy(&iar->req_ref1, &rqd_refs[0], sizeof(iar->req_ref1));
@@ -1319,7 +1319,10 @@
 		memcpy(&iar->req_ref4, &rqd_refs[0], sizeof(iar->req_ref4));
 	iar->wait_ind4 = wait_ind;
 
-	return rsl_imm_assign_cmd(bts, sizeof(iar), (uint8_t *) iar);
+	/* we need to subtract 1 byte from sizeof(*iar) since ia includes the l2_plen field */
+	iar->l2_plen = GSM48_LEN2PLEN((sizeof(*iar)-1));
+
+	return rsl_imm_assign_cmd(bts, sizeof(*iar), (uint8_t *) iar);
 }
 
 /* MS has requested a channel on the RACH */
diff --git a/openbsc/src/libcommon/gsm_data.c b/openbsc/src/libcommon/gsm_data.c
index c9f41fc..dd1d93b 100644
--- a/openbsc/src/libcommon/gsm_data.c
+++ b/openbsc/src/libcommon/gsm_data.c
@@ -97,6 +97,7 @@
 	net->T3101 = GSM_T3101_DEFAULT;
 	net->T3105 = GSM_T3105_DEFAULT;
 	net->T3113 = GSM_T3113_DEFAULT;
+	net->T3122 = GSM_T3122_DEFAULT;
 	/* FIXME: initialize all other timers! */
 
 	/* default set of handover parameters */