diff --git a/include/openbsc/abis_nm.h b/include/openbsc/abis_nm.h
index f0bb33cdc..f37424943 100644
--- a/include/openbsc/abis_nm.h
+++ b/include/openbsc/abis_nm.h
@@ -168,6 +168,27 @@ enum abis_nm_msgtype {
 	NM_MT_SET_ALARM_THRES,
 	NM_MT_SET_ALARM_THRES_ACK,
 	NM_MT_SET_ALARM_THRES_NACK,
+	
+	NM_MT_BS11_RESET_RESOURCE	= 0x74,
+
+	NM_MT_BS11_BEGIN_DB_TX		= 0xa3,
+	NM_MT_BS11_BEGIN_DB_TX_ACK,
+	NM_MT_BS11_BEGIN_DB_TX_NACK,
+	NM_MT_BS11_END_DB_TX		= 0xa6,
+	NM_MT_BS11_END_DB_TX_ACK,
+	NM_MT_BS11_END_DB_TX_NACK,
+	NM_MT_BS11_CREATE_OBJ		= 0xa9,
+	NM_MT_BS11_CREATE_OBJ_ACK,
+	NM_MT_BS11_CREATE_OBJ_NACK,
+	NM_MT_BS11_DELETE_OBJ		= 0xac,
+	NM_MT_BS11_DELETE_OBJ_ACK,
+	NM_MT_BS11_DELETE_OBJ_NACK,
+
+	NM_MT_BS11_DEACT_TRX1		= 0xd0,
+
+	NM_MT_BS11_RESTART		= 0xe7,
+	NM_MT_BS11_DISCONNECT		= 0xe9,
+	NM_MT_BS11_RECONNECT		= 0xf1,
 };
 
 /* Section 9.2: Object Class */
@@ -178,6 +199,8 @@ enum abis_nm_obj_class {
 	NM_OC_BASEB_TRANSC,
 	NM_OC_CHANNEL,
 	/* RFU: 05-FE */
+	NM_OC_BS11			= 0xa3,
+
 	NM_OC_NULL			= 0xff,
 };
 
diff --git a/src/abis_nm.c b/src/abis_nm.c
index cdb6c5c5b..729832887 100644
--- a/src/abis_nm.c
+++ b/src/abis_nm.c
@@ -426,13 +426,13 @@ int abis_nm_event_reports(struct gsm_bts *bts, int on)
 
 int abis_nm_reset_resource(struct gsm_bts *bts)
 {
-	return __simple_cmd(bts, 0x74);
+	return __simple_cmd(bts, NM_MT_BS11_RESET_RESOURCE);
 }
 
 int abis_nm_db_transmission(struct gsm_bts *bts, int begin)
 {
 	if (begin)
-		return __simple_cmd(bts, 0xA3);
+		return __simple_cmd(bts, NM_MT_BS11_BEGIN_DB_TX);
 	else
-		return __simple_cmd(bts, 0xA6);
+		return __simple_cmd(bts, NM_MT_BS11_END_DB_TX);
 }