diff --git a/src/libcommon/debug.c b/src/libcommon/debug.c
index 8c0e787..fbdab80 100644
--- a/src/libcommon/debug.c
+++ b/src/libcommon/debug.c
@@ -122,6 +122,12 @@
 		.description = "Iu-CS Protocol",
 		.enabled = 1, .loglevel = LOGL_DEBUG,
 	},
+	[DBSSAP] = {
+		.name = "DBSSAP",
+		.description = "BSSAP Protocol (A Interface)",
+		.enabled = 1, .loglevel = LOGL_NOTICE,
+	},
+
 };
 
 static int filter_fn(const struct log_context *ctx, struct log_target *tar)
diff --git a/src/libmsc/a_iface.c b/src/libmsc/a_iface.c
index 5605ad1..e2fe3c6 100644
--- a/src/libmsc/a_iface.c
+++ b/src/libmsc/a_iface.c
@@ -134,7 +134,7 @@
 
 	ss7 = osmo_ss7_instance_find(gsm_network->a.cs7_instance);
 	OSMO_ASSERT(ss7);
-	LOGP(DMSC, LOGL_NOTICE, "The calling BSC (%s) is unknown to this MSC ...\n",
+	LOGP(DBSSAP, LOGL_NOTICE, "The calling BSC (%s) is unknown to this MSC ...\n",
 	     osmo_sccp_addr_name(ss7, addr));
 	return NULL;
 }
@@ -182,7 +182,7 @@
 	OSMO_ASSERT(conn);
 	LOGPCONN(conn, LOGL_DEBUG, "Tx BSSMAP CIPHER MODE COMMAND to BSC, %u ciphers (%s)",
 		 ei->perm_algo_len, osmo_hexdump_nospc(ei->perm_algo, ei->perm_algo_len));
-	LOGPC(DMSC, LOGL_DEBUG, " key %s\n", osmo_hexdump_nospc(ei->key, ei->key_len));
+	LOGPC(DBSSAP, LOGL_DEBUG, " key %s\n", osmo_hexdump_nospc(ei->key, ei->key_len));
 
 	msg_resp = gsm0808_create_cipher(ei, include_imeisv ? &crm : NULL);
 	LOGPCONN(conn, LOGL_DEBUG, "N-DATA.req(%s)\n", msgb_hexdump_l2(msg_resp));
@@ -211,7 +211,7 @@
 	/* Deliver paging request to all known BSCs */
 	llist_for_each_entry(bsc_ctx, &gsm_network->a.bscs, list) {
 		if (a_reset_conn_ready(bsc_ctx->reset)) {
-			LOGP(DMSC, LOGL_DEBUG,
+			LOGP(DBSSAP, LOGL_DEBUG,
 			     "Tx BSSMAP paging message from MSC %s to BSC %s (imsi=%s, tmsi=0x%08x, lac=%u)\n",
 			     osmo_sccp_addr_name(ss7, &bsc_ctx->msc_addr),
 			     osmo_sccp_addr_name(ss7, &bsc_ctx->bsc_addr), imsi, tmsi, lac);
@@ -220,7 +220,7 @@
 						  &bsc_ctx->msc_addr, &bsc_ctx->bsc_addr, msg);
 			page_count++;
 		} else {
-			LOGP(DMSC, LOGL_DEBUG,
+			LOGP(DBSSAP, LOGL_DEBUG,
 			     "Connection down, dropping paging from MSC %s to BSC %s (imsi=%s, tmsi=0x%08x, lac=%u)\n",
 			     osmo_sccp_addr_name(ss7, &bsc_ctx->msc_addr),
 			     osmo_sccp_addr_name(ss7, &bsc_ctx->bsc_addr), imsi, tmsi, lac);
@@ -228,7 +228,7 @@
 	}
 
 	if (page_count <= 0)
-		LOGP(DMSC, LOGL_ERROR, "Could not deliver paging because none of the associated BSCs is available!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Could not deliver paging because none of the associated BSCs is available!\n");
 
 	return page_count;
 }
@@ -265,7 +265,7 @@
 	}
 
 	/* If nothing matches, tag the result as invalid */
-	LOGP(DMSC, LOGL_ERROR, "Invalid permitted speech version: %d\n", speech_ver);
+	LOGP(DBSSAP, LOGL_ERROR, "Invalid permitted speech version: %d\n", speech_ver);
 	return 0xFF;
 }
 
@@ -288,7 +288,7 @@
 		return GSM0808_SPEECH_HALF_PREF;
 	}
 
-	LOGP(DMSC, LOGL_ERROR, "Invalid radio channel preference: %d; defaulting to full rate.\n",
+	LOGP(DBSSAP, LOGL_ERROR, "Invalid radio channel preference: %d; defaulting to full rate.\n",
 	     radio);
 	return GSM0808_SPEECH_FULL_BM;
 }
@@ -440,7 +440,7 @@
 	/* Send reset to the remote BSC */
 	ss7 = osmo_ss7_instance_find(gsm_network->a.cs7_instance);
 	OSMO_ASSERT(ss7);
-	LOGP(DMSC, LOGL_NOTICE, "Tx BSSMAP RESET to BSC %s\n", osmo_sccp_addr_name(ss7, &bsc_ctx->bsc_addr));
+	LOGP(DBSSAP, LOGL_NOTICE, "Tx BSSMAP RESET to BSC %s\n", osmo_sccp_addr_name(ss7, &bsc_ctx->bsc_addr));
 	msg = gsm0808_create_reset();
 	osmo_sccp_tx_unitdata_msg(bsc_ctx->sccp_user, &bsc_ctx->msc_addr,
 				  &bsc_ctx->bsc_addr, msg);
@@ -455,7 +455,7 @@
 
 	ss7 = osmo_ss7_instance_find(gsm_network->a.cs7_instance);
 	OSMO_ASSERT(ss7);
-	LOGP(DMSC, LOGL_NOTICE, "Adding new BSC connection for BSC %s...\n", osmo_sccp_addr_name(ss7, bsc_addr));
+	LOGP(DBSSAP, LOGL_NOTICE, "Adding new BSC connection for BSC %s...\n", osmo_sccp_addr_name(ss7, bsc_addr));
 
 	/* Generate and fill up a new bsc context */
 	bsc_ctx = talloc_zero(gsm_network, struct bsc_context);
@@ -520,7 +520,7 @@
 		} else {
 			/* This BSC is already known to us, check if we have been through reset yet */
 			if (a_reset_conn_ready(a_conn_info.bsc->reset) == false) {
-				LOGP(DMSC, LOGL_NOTICE, "Refusing N-CONNECT.ind(%u, %s), BSC not reset yet\n",
+				LOGP(DBSSAP, LOGL_NOTICE, "Refusing N-CONNECT.ind(%u, %s), BSC not reset yet\n",
 				     scu_prim->u.connect.conn_id, msgb_hexdump_l2(oph->msg));
 				rc = osmo_sccp_tx_disconn(scu, a_conn_info.conn_id, &a_conn_info.bsc->msc_addr,
 							  SCCP_RETURN_CAUSE_UNQUALIFIED);
@@ -529,11 +529,11 @@
 
 			osmo_sccp_tx_conn_resp(scu, scu_prim->u.connect.conn_id, &scu_prim->u.connect.called_addr, NULL, 0);
 			if (msgb_l2len(oph->msg) > 0) {
-				LOGP(DMSC, LOGL_DEBUG, "N-CONNECT.ind(%u, %s)\n",
+				LOGP(DBSSAP, LOGL_DEBUG, "N-CONNECT.ind(%u, %s)\n",
 				     scu_prim->u.connect.conn_id, msgb_hexdump_l2(oph->msg));
 				rc = a_sccp_rx_dt(scu, &a_conn_info, oph->msg);
 			} else
-				LOGP(DMSC, LOGL_DEBUG, "N-CONNECT.ind(%u)\n", scu_prim->u.connect.conn_id);
+				LOGP(DBSSAP, LOGL_DEBUG, "N-CONNECT.ind(%u)\n", scu_prim->u.connect.conn_id);
 
 			record_bsc_con(scu, a_conn_info.bsc, scu_prim->u.connect.conn_id);
 		}
@@ -543,13 +543,13 @@
 		/* Handle incoming connection oriented data */
 		bsc_con = find_bsc_con(scu_prim->u.data.conn_id);
 		if (!bsc_con) {
-			LOGP(DMSC, LOGL_ERROR, "N-DATA.ind(%u, %s) for unknown conn_id\n",
+			LOGP(DBSSAP, LOGL_ERROR, "N-DATA.ind(%u, %s) for unknown conn_id\n",
 				scu_prim->u.data.conn_id, msgb_hexdump_l2(oph->msg));
 			break;
 		}
 		a_conn_info.conn_id = scu_prim->u.data.conn_id;
 		a_conn_info.bsc = bsc_con->bsc;
-		LOGP(DMSC, LOGL_DEBUG, "N-DATA.ind(%u, %s)\n",
+		LOGP(DBSSAP, LOGL_DEBUG, "N-DATA.ind(%u, %s)\n",
 		     scu_prim->u.data.conn_id, msgb_hexdump_l2(oph->msg));
 		a_sccp_rx_dt(scu, &a_conn_info, oph->msg);
 		break;
@@ -563,7 +563,7 @@
 						&scu_prim->u.unitdata.calling_addr, scu);
 			/* if this not an inbound RESET, trigger an outbound RESET */
 			if (!bssmap_is_reset(oph->msg)) {
-				LOGP(DMSC, LOGL_NOTICE, "Ignoring N-UNITDATA.ind(%s), BSC not reset yet\n",
+				LOGP(DBSSAP, LOGL_NOTICE, "Ignoring N-UNITDATA.ind(%s), BSC not reset yet\n",
 					msgb_hexdump_l2(oph->msg));
 				a_start_reset(a_conn_info.bsc, false);
 				break;
@@ -571,17 +571,17 @@
 		} else {
 			/* This BSC is already known to us, check if we have been through reset yet */
 			if (a_reset_conn_ready(a_conn_info.bsc->reset) == false) {
-				LOGP(DMSC, LOGL_NOTICE, "Ignoring N-UNITDATA.ind(%s), BSC not reset yet\n",
+				LOGP(DBSSAP, LOGL_NOTICE, "Ignoring N-UNITDATA.ind(%s), BSC not reset yet\n",
 					msgb_hexdump_l2(oph->msg));
 				break;
 			}
 		}
-		DEBUGP(DMSC, "N-UNITDATA.ind(%s)\n", msgb_hexdump_l2(oph->msg));
+		DEBUGP(DBSSAP, "N-UNITDATA.ind(%s)\n", msgb_hexdump_l2(oph->msg));
 		a_sccp_rx_udt(scu, &a_conn_info, oph->msg);
 		break;
 
 	default:
-		LOGP(DMSC, LOGL_ERROR, "Unhandled SIGTRAN operation %s on primitive %u\n",
+		LOGP(DBSSAP, LOGL_ERROR, "Unhandled SIGTRAN operation %s on primitive %u\n",
 		     get_value_string(osmo_prim_op_names, oph->operation), oph->primitive);
 		break;
 	}
@@ -623,7 +623,7 @@
 	OSMO_ASSERT(network);
 
 	/* FIXME: Remove hardcoded parameters, use parameters in parameter list */
-	LOGP(DMSC, LOGL_NOTICE, "Initalizing SCCP connection to stp...\n");
+	LOGP(DBSSAP, LOGL_NOTICE, "Initalizing SCCP connection to stp...\n");
 
 	/* Set GSM network variable, there can only be
 	 * one network by design */
diff --git a/src/libmsc/a_iface_bssap.c b/src/libmsc/a_iface_bssap.c
index 61e1d4e..01cb71d 100644
--- a/src/libmsc/a_iface_bssap.c
+++ b/src/libmsc/a_iface_bssap.c
@@ -111,7 +111,7 @@
 	ss7 = osmo_ss7_instance_find(network->a.cs7_instance);
 	OSMO_ASSERT(ss7);
 
-	LOGP(DMSC, LOGL_NOTICE, "Rx BSSMAP RESET from BSC %s, sending RESET ACK\n",
+	LOGP(DBSSAP, LOGL_NOTICE, "Rx BSSMAP RESET from BSC %s, sending RESET ACK\n",
 	     osmo_sccp_addr_name(ss7, &a_conn_info->bsc->bsc_addr));
 	osmo_sccp_tx_unitdata_msg(scu, &a_conn_info->bsc->msc_addr, &a_conn_info->bsc->bsc_addr,
 				  gsm0808_create_reset_ack());
@@ -137,12 +137,12 @@
 	OSMO_ASSERT(ss7);
 
 	if (a_conn_info->bsc->reset == NULL) {
-		LOGP(DMSC, LOGL_ERROR, "Received RESET ACK from an unknown BSC %s, ignoring...\n",
+		LOGP(DBSSAP, LOGL_ERROR, "Received RESET ACK from an unknown BSC %s, ignoring...\n",
 		     osmo_sccp_addr_name(ss7, &a_conn_info->bsc->bsc_addr));
 		goto fail;
 	}
 
-	LOGP(DMSC, LOGL_NOTICE, "Received RESET ACK from BSC %s\n",
+	LOGP(DBSSAP, LOGL_NOTICE, "Received RESET ACK from BSC %s\n",
 		osmo_sccp_addr_name(ss7, &a_conn_info->bsc->bsc_addr));
 
 	/* Confirm that we managed to get the reset ack message
@@ -160,12 +160,12 @@
 	 * can be received via UNITDATA */
 
 	if (msgb_l3len(msg) < 1) {
-		LOGP(DMSC, LOGL_NOTICE, "Error: No data received -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_NOTICE, "Error: No data received -- discarding message!\n");
 		msgb_free(msg);
 		return;
 	}
 
-	LOGP(DMSC, LOGL_DEBUG, "Rx BSSMAP UDT %s\n", gsm0808_bssmap_name(msg->l3h[0]));
+	LOGP(DBSSAP, LOGL_DEBUG, "Rx BSSMAP UDT %s\n", gsm0808_bssmap_name(msg->l3h[0]));
 
 	switch (msg->l3h[0]) {
 	case BSS_MAP_MSG_RESET:
@@ -175,7 +175,7 @@
 		bssmap_rx_reset_ack(scu, a_conn_info, msg);
 		break;
 	default:
-		LOGP(DMSC, LOGL_NOTICE, "Unimplemented message format: %s -- message discarded!\n",
+		LOGP(DBSSAP, LOGL_NOTICE, "Unimplemented message format: %s -- message discarded!\n",
 		     gsm0808_bssmap_name(msg->l3h[0]));
 		msgb_free(msg);
 	}
@@ -192,17 +192,17 @@
 	OSMO_ASSERT(a_conn_info);
 	OSMO_ASSERT(msg);
 
-	LOGP(DMSC, LOGL_DEBUG, "Rx BSSMAP UDT: %s\n", msgb_hexdump_l2(msg));
+	LOGP(DBSSAP, LOGL_DEBUG, "Rx BSSMAP UDT: %s\n", msgb_hexdump_l2(msg));
 
 	if (msgb_l2len(msg) < sizeof(*bs)) {
-		LOGP(DMSC, LOGL_ERROR, "Error: Header is too short -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Error: Header is too short -- discarding message!\n");
 		msgb_free(msg);
 		return;
 	}
 
 	bs = (struct bssmap_header *)msgb_l2(msg);
 	if (bs->length < msgb_l2len(msg) - sizeof(*bs)) {
-		LOGP(DMSC, LOGL_ERROR, "Error: Message is too short -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Error: Message is too short -- discarding message!\n");
 		msgb_free(msg);
 		return;
 	}
@@ -213,7 +213,7 @@
 		bssmap_rcvmsg_udt(scu, a_conn_info, msg);
 		break;
 	default:
-		LOGP(DMSC, LOGL_ERROR,
+		LOGP(DBSSAP, LOGL_ERROR,
 		     "Error: Unimplemented message type: %s -- message discarded!\n", gsm0808_bssmap_name(bs->type));
 		msgb_free(msg);
 	}
@@ -235,7 +235,7 @@
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 	if (!TLVP_PRESENT(&tp, GSM0808_IE_CAUSE)) {
-		LOGP(DMSC, LOGL_ERROR, "Cause code is missing -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Cause code is missing -- discarding message!\n");
 		goto fail;
 	}
 	cause = TLVP_VAL(&tp, GSM0808_IE_CAUSE)[0];
@@ -289,15 +289,15 @@
 	struct gsm_network *network = a_conn_info->network;
 	struct gsm_subscriber_connection *conn;
 
-	LOGP(DMSC, LOGL_INFO, "Rx BSSMAP COMPLETE L3 INFO (conn_id=%i)\n", a_conn_info->conn_id);
+	LOGP(DBSSAP, LOGL_INFO, "Rx BSSMAP COMPLETE L3 INFO (conn_id=%i)\n", a_conn_info->conn_id);
 
 	tlv_parse(&tp, gsm0808_att_tlvdef(), msg->l3h + 1, msgb_l3len(msg) - 1, 0, 0);
 	if (!TLVP_PRESENT(&tp, GSM0808_IE_CELL_IDENTIFIER)) {
-		LOGP(DMSC, LOGL_ERROR, "Mandatory CELL IDENTIFIER not present -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Mandatory CELL IDENTIFIER not present -- discarding message!\n");
 		goto fail;
 	}
 	if (!TLVP_PRESENT(&tp, GSM0808_IE_LAYER_3_INFORMATION)) {
-		LOGP(DMSC, LOGL_ERROR, "Mandatory LAYER 3 INFORMATION not present -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_ERROR, "Mandatory LAYER 3 INFORMATION not present -- discarding message!\n");
 		goto fail;
 	}
 
@@ -308,18 +308,18 @@
 	data_length = TLVP_LEN(&tp, GSM0808_IE_CELL_IDENTIFIER);
 	data = TLVP_VAL(&tp, GSM0808_IE_CELL_IDENTIFIER);
 	if (sizeof(lai_ci) != data_length) {
-		LOGP(DMSC, LOGL_ERROR,
+		LOGP(DBSSAP, LOGL_ERROR,
 		     "Unable to parse element CELL IDENTIFIER (wrong field length) -- discarding message!\n");
 		goto fail;
 	}
 	memcpy(&lai_ci, data, sizeof(lai_ci));
 	if (lai_ci.ident != CELL_IDENT_WHOLE_GLOBAL) {
-		LOGP(DMSC, LOGL_ERROR,
+		LOGP(DBSSAP, LOGL_ERROR,
 		     "Unable to parse element CELL IDENTIFIER (wrong cell identification discriminator) -- discarding message!\n");
 		goto fail;
 	}
 	if (gsm48_decode_lai(&lai_ci.lai, &mcc, &mnc, &lac) != 0) {
-		LOGP(DMSC, LOGL_ERROR,
+		LOGP(DBSSAP, LOGL_ERROR,
 		     "Unable to parse element CELL IDENTIFIER (lai decoding failed) -- discarding message!\n");
 		goto fail;
 	}
@@ -580,7 +580,7 @@
 	struct gsm_subscriber_connection *conn;
 
 	if (msgb_l3len(msg) < 1) {
-		LOGP(DMSC, LOGL_NOTICE, "Error: No data received -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_NOTICE, "Error: No data received -- discarding message!\n");
 		msgb_free(msg);
 		return -1;
 	}
@@ -597,7 +597,7 @@
 
 	conn = subscr_conn_lookup_a(a_conn_info->network, a_conn_info->conn_id);
 	if (!conn) {
-		LOGP(DMSC, LOGL_ERROR, "Couldn't find subscr_conn for conn_id=%d\n", a_conn_info->conn_id);
+		LOGP(DBSSAP, LOGL_ERROR, "Couldn't find subscr_conn for conn_id=%d\n", a_conn_info->conn_id);
 		msgb_free(msg);
 		return -EINVAL;
 	}
@@ -660,7 +660,7 @@
 	OSMO_ASSERT(msg);
 
 	if (msgb_l2len(msg) < sizeof(struct bssmap_header)) {
-		LOGP(DMSC, LOGL_NOTICE, "The header is too short -- discarding message!\n");
+		LOGP(DBSSAP, LOGL_NOTICE, "The header is too short -- discarding message!\n");
 		msgb_free(msg);
 		return -EINVAL;
 	}
@@ -672,7 +672,7 @@
 	case BSSAP_MSG_DTAP:
 		return rx_dtap(scu, a_conn_info, msg);
 	default:
-		LOGP(DMSC, LOGL_ERROR, "Unimplemented BSSAP msg type: %s\n", gsm0808_bssap_name(msg->l2h[0]));
+		LOGP(DBSSAP, LOGL_ERROR, "Unimplemented BSSAP msg type: %s\n", gsm0808_bssap_name(msg->l2h[0]));
 		msgb_free(msg);
 		return -EINVAL;
 	}