diff --git a/openbsc/include/openbsc/abis_rsl.h b/openbsc/include/openbsc/abis_rsl.h
index a0df5e9..84a1697 100644
--- a/openbsc/include/openbsc/abis_rsl.h
+++ b/openbsc/include/openbsc/abis_rsl.h
@@ -123,8 +123,25 @@
 	RSL_MT_MR_CODEC_MOD_PER,
 	RSL_MT_TFO_REP,
 	RSL_MT_TFO_MOD_REQ,		/* 0x3f */
+	RSL_MT_LOCATION_INFO		= 0x41,
 
 	/* ip.access specific RSL message types */
+	RSL_MT_IPAC_DIR_RETR_ENQ	= 0x40,
+	RSL_MT_IPAC_PDCH_ACT		= 0x48,
+	RSL_MT_IPAC_PDCH_ACT_ACK,
+	RSL_MT_IPAC_PDCH_ACT_NACK,
+	RSL_MT_IPAC_PDCH_DEACT		= 0x4b,
+	RSL_MT_IPAC_PDCH_DEACT_ACK,
+	RSL_MT_IPAC_PDCH_DEACT_NACK,
+	RSL_MT_IPAC_CONNECT_MUX		= 0x50,
+	RSL_MT_IPAC_CONNECT_MUX_ACK,
+	RSL_MT_IPAC_CONNECT_MUX_NACK,
+	RSL_MT_IPAC_BIND_MUX		= 0x53,
+	RSL_MT_IPAC_BIND_MUX_ACK,
+	RSL_MT_IPAC_BIND_MUX_NACK,
+	RSL_MT_IPAC_DISC_MUX		= 0x56,
+	RSL_MT_IPAC_DISC_MUX_ACK,
+	RSL_MT_IPAC_DISC_MUX_NACK,
 	RSL_MT_IPAC_BIND		= 0x70,		/* Bind to local BTS RTP port */
 	RSL_MT_IPAC_BIND_ACK,
 	RSL_MT_IPAC_BIND_NACK,
@@ -132,7 +149,9 @@
 	RSL_MT_IPAC_CONNECT_ACK,
 	RSL_MT_IPAC_CONNECT_NACK,
 	RSL_MT_IPAC_DISCONNECT_IND	= 0x76,
-
+	RSL_MT_IPAC_DISCONNECT		= 0x77,
+	RSL_MT_IPAC_DISCONNECT_ACK,
+	RSL_MT_IPAC_DISCONNECT_NACK,
 };
 
 /* Chapter 9.3 */