diff --git a/openbsc/src/abis_om2000.c b/openbsc/src/abis_om2000.c
index dd4416b..e7a5f83 100644
--- a/openbsc/src/abis_om2000.c
+++ b/openbsc/src/abis_om2000.c
@@ -73,6 +73,13 @@
 	OM2K_MSGT_CAL_TIME_REJ			= 0x0011,
 	OM2K_MSGT_CAL_TIME_REQ			= 0x0012,
 
+	OM2K_MSGT_CON_CONF_REQ			= 0x0014,
+	OM2K_MSGT_CON_CONF_REQ_ACK		= 0x0016,
+	OM2K_MSGT_CON_CONF_REQ_REJ		= 0x0017,
+	OM2K_MSGT_CON_CONF_RES_ACK		= 0x0018,
+	OM2K_MSGT_CON_CONF_RES_NACK		= 0x0019,
+	OM2K_MSGT_CON_CONF_RES			= 0x001a,
+
 	OM2K_MSGT_CONNECT_CMD			= 0x001c,
 	OM2K_MSGT_CONNECT_COMPL			= 0x001e,
 	OM2K_MSGT_CONNECT_REJ			= 0x001f,
@@ -135,6 +142,7 @@
 
 enum abis_om2k_dei {
 	OM2K_DEI_CAL_TIME			= 0x0d,
+	OM2K_DEI_CON_CONN_LIST			= 0x10,
 	OM2K_DEI_END_LIST_NR			= 0x13,
 	OM2K_DEI_IS_CONN_LIST			= 0x27,
 	OM2K_DEI_LIST_NR			= 0x28,
@@ -540,6 +548,7 @@
 
 const struct abis_om2k_mo om2k_mo_cf = { OM2K_MO_CLS_CF, 0, 0xFF, 0 };
 const struct abis_om2k_mo om2k_mo_is = { OM2K_MO_CLS_IS, 0, 0xFF, 0 };
+const struct abis_om2k_mo om2k_mo_con = { OM2K_MO_CLS_CON, 0, 0xFF, 0 };
 
 static int abis_om2k_cal_time_resp(struct gsm_bts *bts)
 {
@@ -656,6 +665,25 @@
 	return abis_om2k_sendmsg(bts, msg);
 }
 
+int abis_om2k_tx_con_conf_req(struct gsm_bts *bts, uint8_t *data,
+			     unsigned int len)
+{
+	struct msgb *msg = om2k_msgb_alloc();
+	struct abis_om2k_hdr *o2k;
+
+	o2k = (struct abis_om2k_hdr *) msgb_put(msg, sizeof(*o2k));
+	fill_om2k_hdr(o2k, &om2k_mo_con, OM2K_MSGT_CON_CONF_REQ,
+		      2 + 2 + TLV_GROSS_LEN(len));
+
+	msgb_tv_put(msg, OM2K_DEI_LIST_NR, 1);
+	msgb_tv_put(msg, OM2K_DEI_END_LIST_NR, 1);
+
+	msgb_tlv_put(msg, OM2K_DEI_CON_CONN_LIST, len, data);
+
+	return abis_om2k_sendmsg(bts, msg);
+}
+
+
 static int abis_om2k_tx_negot_req_ack(struct gsm_bts *bts, const struct abis_om2k_mo *mo,
 				      uint8_t *data, unsigned int len)
 {
@@ -813,6 +841,9 @@
 	case OM2K_MSGT_IS_CONF_RES:
 		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_IS_CONF_RES_ACK);
 		break;
+	case OM2K_MSGT_CON_CONF_RES:
+		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_CON_CONF_RES_ACK);
+		break;
 	case OM2K_MSGT_CONNECT_COMPL:
 		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_RESET_CMD);
 		break;
@@ -822,10 +853,21 @@
 	case OM2K_MSGT_ENABLE_RES:
 		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_ENABLE_RES_ACK);
 		break;
-	case OM2K_MSGT_START_REQ_ACK:
+	case OM2K_MSGT_DISABLE_RES:
+		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_DISABLE_RES_ACK);
+		break;
+	case OM2K_MSGT_TEST_RES:
+		rc = abis_om2k_tx_simple(bts, &o2h->mo, OM2K_MSGT_TEST_RES_ACK);
 		break;
 	case OM2K_MSGT_STATUS_RESP:
 		break;
+	case OM2K_MSGT_START_REQ_ACK:
+	case OM2K_MSGT_CON_CONF_REQ_ACK:
+	case OM2K_MSGT_IS_CONF_REQ_ACK:
+	case OM2K_MSGT_ENABLE_REQ_ACK:
+	case OM2K_MSGT_ALARM_STATUS_REQ_ACK:
+	case OM2K_MSGT_DISABLE_REQ_ACK:
+		break;
 	default:
 		LOGP(DNM, LOGL_NOTICE, "Rx unhandled OM2000 msg %s\n",
 			get_value_string(om2k_msgcode_vals, msg_type));