diff --git a/src/common/logging.c b/src/common/logging.c
index 608b62672..9116ec7b1 100644
--- a/src/common/logging.c
+++ b/src/common/logging.c
@@ -35,7 +35,7 @@ static struct log_info_cat bts_log_info_cat[] = {
 		.name = "DRSL",
 		.description = "A-bis Radio Siganlling Link (RSL)",
 		.color = "\033[1;35m",
-		.enabled = 1, .loglevel = LOGL_NOTICE,
+		.enabled = 1, .loglevel = LOGL_INFO,
 	},
 	[DOML] =	{
 		.name = "DOML",
@@ -69,7 +69,7 @@ static struct log_info_cat bts_log_info_cat[] = {
 	[DL1C] = {
 		.name = "DL1C",
 		.description = "Layer 1",
-		.loglevel = LOGL_DEBUG,
+		.loglevel = LOGL_INFO,
 		.enabled = 1,
 	},
 	[DL1P] = {
@@ -107,16 +107,12 @@ const struct log_info bts_log_info = {
 	.num_cat = ARRAY_SIZE(bts_log_info_cat),
 };
 
-#define DEFAULT_MASK "DL1C:DOML:DRSL:DPAG:DMEAS"
-
 int bts_log_init(const char *category_mask)
 {
-	if (!category_mask)
-		category_mask = DEFAULT_MASK;
-
 	osmo_init_logging(&bts_log_info);
 
-	log_parse_category_mask(osmo_stderr_target, category_mask);
+	if (category_mask)
+		log_parse_category_mask(osmo_stderr_target, category_mask);
 
 	return 0;
 }
diff --git a/src/common/oml.c b/src/common/oml.c
index ca19490ad..be3e7f237 100644
--- a/src/common/oml.c
+++ b/src/common/oml.c
@@ -310,7 +310,7 @@ int oml_fom_ack_nack(struct msgb *old_msg, uint8_t cause)
 		/* add cause */
 		msgb_tv_put(msg, NM_ATT_NACK_CAUSES, cause);
 	} else {
-		LOGP(DOML, LOGL_NOTICE, "Sending FOM ACK.\n");
+		LOGP(DOML, LOGL_DEBUG, "Sending FOM ACK.\n");
 		foh->msg_type++; /* ack */
 	}
 
@@ -515,7 +515,7 @@ static int oml_rx_set_radio_attr(struct gsm_bts_trx *trx, struct msgb *msg)
 	/* 9.4.47 RF Max Power Reduction */
 	if (TLVP_PRESENT(&tp, NM_ATT_RF_MAXPOWR_R)) {
 		trx->max_power_red = *TLVP_VAL(&tp, NM_ATT_RF_MAXPOWR_R);
-		LOGP(DOML, LOGL_INFO, " RF Max Power Reduction = %d\n", trx->max_power_red);
+		LOGP(DOML, LOGL_INFO, "Set RF Max Power Reduction = %d\n", trx->max_power_red);
 	}
 	/* 9.4.5 ARFCN List */
 #if 0
@@ -634,7 +634,8 @@ static int oml_rx_set_chan_attr(struct gsm_bts_trx_ts *ts, struct msgb *msg)
 		/* If there is no TSC specified, use the BCC */
 		ts->tsc = bts->bsic & 0x3;
 	}
-	DEBUGP(DOML, "TS %u, settig TSC = %u\n", ts->nr, ts->tsc);
+	LOGP(DOML, LOGL_INFO, "%s SET CHAN ATTR (TSC = %u)\n",
+		gsm_abis_mo_name(&ts->mo), ts->tsc);
 
 	/* call into BTS driver to apply new attributes to hardware */
 	return bts_model_apply_oml(bts, msg, tp_merged, ts);
@@ -773,8 +774,6 @@ static int rx_oml_ipa_rsl_connect(struct gsm_bts_trx *trx, struct msgb *msg,
 
 	uint8_t stream_id = 0;
 
-	DEBUGP(DOML, "Rx IPA RSL CONNECT ");
-
 	if (TLVP_PRESENT(tp, NM_ATT_IPACC_DST_IP)) {
 		const uint8_t *ptr = TLVP_VAL(tp, NM_ATT_IPACC_DST_IP);
 		ip = ntohl(*(uint32_t *)ptr);
@@ -788,8 +787,8 @@ static int rx_oml_ipa_rsl_connect(struct gsm_bts_trx *trx, struct msgb *msg,
 	}
 
 	in.s_addr = htonl(ip);
-	DEBUGPC(DOML, "IP=%s PORT=%u STREAM=0x%02x\n", inet_ntoa(in),
-		port, stream_id);
+	LOGP(DOML, LOGL_INFO, "Rx IPA RSL CONNECT IP=%s PORT=%u STREAM=0x%02x\n", 
+		inet_ntoa(in), port, stream_id);
 
 	if (!trx->rsl_link) {
 		struct ipabis_link *rsl_link = talloc_zero(trx, struct ipabis_link);
@@ -816,8 +815,6 @@ static int down_mom(struct gsm_bts *bts, struct msgb *msg)
 	struct tlv_parsed tp;
 	int ret;
 
-	DEBUGP(DOML, "Manufacturer OML message\n");
-
 	if (msgb_l2len(msg) < sizeof(*foh)) {
 		LOGP(DOML, LOGL_NOTICE, "Manufacturer O&M message too short\n");
 		return -EIO;
@@ -843,7 +840,7 @@ static int down_mom(struct gsm_bts *bts, struct msgb *msg)
 	}
 
 	abis_nm_debugp_foh(DOML, foh);
-	DEBUGPC(DOML, "IPACCESS(0x%02x): ", foh->msg_type);
+	DEBUGPC(DOML, "Rx IPACCESS(0x%02x): ", foh->msg_type);
 
 	switch (foh->msg_type) {
 	case NM_MT_IPACC_RSL_CONNECT:
diff --git a/src/osmo-bts-sysmo/l1_if.c b/src/osmo-bts-sysmo/l1_if.c
index d4cb7fdbb..1d4245da3 100644
--- a/src/osmo-bts-sysmo/l1_if.c
+++ b/src/osmo-bts-sysmo/l1_if.c
@@ -100,7 +100,7 @@ int l1if_req_compl(struct femtol1_hdl *fl1h, struct msgb *msg,
 	if (is_system_prim == 0) {
 		GsmL1_Prim_t *l1p = msgb_l1prim(msg);
 
-		LOGP(DL1C, LOGL_DEBUG, "Tx L1 prim %s\n",
+		LOGP(DL1P, LOGL_INFO, "Tx L1 prim %s\n",
 			get_value_string(femtobts_l1prim_names, l1p->id));
 
 		if (femtobts_l1prim_type[l1p->id] != L1P_T_REQ) {
@@ -116,7 +116,7 @@ int l1if_req_compl(struct femtol1_hdl *fl1h, struct msgb *msg,
 	} else {
 		FemtoBts_Prim_t *sysp = msgb_sysprim(msg);
 
-		LOGP(DL1C, LOGL_DEBUG, "Tx SYS prim %s\n",
+		LOGP(DL1C, LOGL_INFO, "Tx SYS prim %s\n",
 			get_value_string(femtobts_sysprim_names, sysp->id));
 
 		if (femtobts_sysprim_type[sysp->id] != L1P_T_REQ) {
diff --git a/src/osmo-bts-sysmo/oml.c b/src/osmo-bts-sysmo/oml.c
index 9c471a895..75a23b866 100644
--- a/src/osmo-bts-sysmo/oml.c
+++ b/src/osmo-bts-sysmo/oml.c
@@ -359,7 +359,7 @@ static int lchan_act_compl_cb(struct msgb *l1_msg, void *data)
 	GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
 	GsmL1_MphActivateCnf_t *ic = &l1p->u.mphActivateCnf;
 
-	LOGP(DL1C, LOGL_NOTICE, "%s MPH-ACTIVATE.conf\n", gsm_lchan_name(lchan));
+	LOGP(DL1C, LOGL_INFO, "%s MPH-ACTIVATE.conf\n", gsm_lchan_name(lchan));
 
 	if (ic->status == GsmL1_Status_Success) {
 		DEBUGP(DL1C, "Successful activation of L1 SAPI %s on TS %u\n",
@@ -458,7 +458,7 @@ int lchan_activate(struct gsm_lchan *lchan)
 			break;
 		}
 
-		LOGP(DL1C, LOGL_NOTICE, "%s MPH-ACTIVATE.req (hL2=0x%08x)\n",
+		LOGP(DL1C, LOGL_INFO, "%s MPH-ACTIVATE.req (hL2=0x%08x)\n",
 			gsm_lchan_name(lchan), act_req->hLayer2);
 
 		/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */
@@ -478,7 +478,9 @@ static int lchan_deact_compl_cb(struct msgb *l1_msg, void *data)
 	GsmL1_Prim_t *l1p = msgb_l1prim(l1_msg);
 	GsmL1_MphDeactivateCnf_t *ic = &l1p->u.mphDeactivateCnf;
 
-	LOGP(DL1C, LOGL_NOTICE, "%s MPH-DEACTIVATE.conf\n", gsm_lchan_name(lchan));
+	LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.conf (%s)\n",
+		gsm_lchan_name(lchan),
+		get_value_string(femtobts_l1sapi_names, ic->sapi));
 
 	if (ic->status == GsmL1_Status_Success) {
 		DEBUGP(DL1C, "Successful deactivation of L1 SAPI %s on TS %u\n",
@@ -521,8 +523,9 @@ int lchan_deactivate(struct gsm_lchan *lchan)
 		deact_req->dir = s4l->sapis[i].dir;
 		deact_req->sapi = s4l->sapis[i].sapi;
 
-		LOGP(DL1C, LOGL_NOTICE, "%s MPH-DEACTIVATE.req\n",
-			gsm_lchan_name(lchan));
+		LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.req (%s)\n",
+			gsm_lchan_name(lchan),
+			get_value_string(femtobts_l1sapi_names, deact_req->sapi));
 
 		/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */
 		l1if_req_compl(fl1h, msg, 0, lchan_deact_compl_cb, lchan);
@@ -545,7 +548,7 @@ int lchan_deactivate_sacch(struct gsm_lchan *lchan)
 	deact_req->dir = DIR_BOTH;
 	deact_req->sapi = GsmL1_Sapi_Sacch;
 
-	LOGP(DL1C, LOGL_NOTICE, "%s SACCH MPH-DEACTIVATE.req\n",
+	LOGP(DL1C, LOGL_INFO, "%s MPH-DEACTIVATE.req (SACCH)\n",
 		gsm_lchan_name(lchan));
 
 	/* send the primitive for all GsmL1_Sapi_* that match the LCHAN */