diff --git a/libs/freetdm/src/ftdm_io.c b/libs/freetdm/src/ftdm_io.c
index 5ba7e389f8..3dd1aa9ece 100644
--- a/libs/freetdm/src/ftdm_io.c
+++ b/libs/freetdm/src/ftdm_io.c
@@ -1764,16 +1764,26 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_chan(ftdm_channel_t *ftdmchan)
 
 	ftdm_mutex_lock(ftdmchan->mutex);
 
-	if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_SUSPENDED)) {
-		snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "Channel is suspended\n");
-		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Cannot open channel when is suspended\n");
-		goto done;
-	}
-
-	if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_IN_ALARM) && !ftdm_test_flag(ftdmchan->span, FTDM_SPAN_PWR_SAVING)) {
-		snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "Channel is alarmed\n");
-		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Cannot open channel when is alarmed\n");
-		goto done;
+	if (FTDM_IS_VOICE_CHANNEL(ftdmchan)) {
+		if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_SUSPENDED)) {
+			snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "Channel is suspended\n");
+			ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Cannot open channel when is suspended\n");
+			goto done;
+		}
+		
+		if (ftdm_test_flag(ftdmchan, FTDM_CHANNEL_IN_ALARM) && !ftdm_test_flag(ftdmchan->span, FTDM_SPAN_PWR_SAVING)) {
+			snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "Channel is alarmed\n");
+			ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "Cannot open channel when is alarmed\n");
+			goto done;
+		}
+		
+		if (globals.cpu_monitor.alarm &&
+				  globals.cpu_monitor.alarm_action_flags & FTDM_CPU_ALARM_ACTION_REJECT) {
+			snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "CPU usage alarm is on - refusing to open channel\n");
+			ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "CPU usage alarm is on - refusing to open channel\n");
+			ftdmchan->caller_data.hangup_cause = FTDM_CAUSE_SWITCH_CONGESTION;
+			goto done;
+		}
 	}
 
 	if (!ftdm_test_flag(ftdmchan, FTDM_CHANNEL_READY)) {
@@ -1782,15 +1792,6 @@ FT_DECLARE(ftdm_status_t) ftdm_channel_open_chan(ftdm_channel_t *ftdmchan)
 		goto done;
 	}
 
-	if (globals.cpu_monitor.alarm && 
-	    globals.cpu_monitor.alarm_action_flags & FTDM_CPU_ALARM_ACTION_REJECT) {
-		snprintf(ftdmchan->last_error, sizeof(ftdmchan->last_error), "%s", "CPU usage alarm is on - refusing to open channel\n");
-		ftdm_log_chan_msg(ftdmchan, FTDM_LOG_WARNING, "CPU usage alarm is on - refusing to open channel\n");
-		ftdmchan->caller_data.hangup_cause = FTDM_CAUSE_SWITCH_CONGESTION;
-		goto done;
-	}
-
-
 	status = ftdmchan->fio->open(ftdmchan);
 	if (status == FTDM_SUCCESS) {
 		ftdm_set_flag(ftdmchan, FTDM_CHANNEL_OPEN | FTDM_CHANNEL_INUSE);
diff --git a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
index 6afab42a89..cce10cc1dd 100644
--- a/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
+++ b/libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cfg.c
@@ -280,7 +280,7 @@ ftdm_status_t ftmod_isdn_parse_cfg(ftdm_conf_parameter_t *ftdm_parameters, ftdm_
 		} else if (!strcasecmp(var, "outbound-bearer_cap")) {
 			ftdm_set_bearer_capability(val, (uint8_t*)&span->default_caller_data.bearer_capability);
 		} else if (!strcasecmp(var, "outbound-bearer_layer1")) {
-			ftdm_set_bearer_layer1(val, &span->default_caller_data.bearer_layer1);
+			ftdm_set_bearer_layer1(val, (uint8_t*)&span->default_caller_data.bearer_layer1);
 		} else if (!strcasecmp(var, "channel-restart-on-link-up")) {
 			parse_yesno(var, val, &signal_data->restart_opt);
 		} else if (!strcasecmp(var, "local-number")) {