freetdm: fix code using raw_data as an integer when is actually null

libs/freetdm/mod_freetdm/mod_freetdm.c

@@ -2117,10 +2117,10 @@ static FIO_SIGNAL_CB_FUNCTION(on_clear_channel_signal)
 		}
 		break;
 	case FTDM_SIGEVENT_SIGSTATUS_CHANGED:
-		{
-			ftdm_signaling_status_t *sigstatus = (ftdm_signaling_status_t*)(sigmsg->raw_data);
+		{	
+			ftdm_signaling_status_t sigstatus = sigmsg->raw_data ? *((ftdm_signaling_status_t*)(sigmsg->raw_data)) : sigmsg->sigstatus;
 			switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_INFO, "%d:%d signalling changed to :%s\n",
-					spanid, chanid, ftdm_signaling_status2str(*sigstatus));
+					spanid, chanid, ftdm_signaling_status2str(sigstatus));
 		}
 		break;
 	default:

libs/freetdm/src/ftdm_io.c

@@ -4473,10 +4473,13 @@ FT_DECLARE(ftdm_status_t) ftdm_span_send_signal(ftdm_span_t *span, ftdm_sigmsg_t
 	switch (sigmsg->event_id) {
 
 	case FTDM_SIGEVENT_SIGSTATUS_CHANGED:
-		if (*((ftdm_signaling_status_t*)(sigmsg->raw_data)) == FTDM_SIG_STATE_UP) {
-			ftdm_set_flag(sigmsg->channel, FTDM_CHANNEL_SIG_UP);
-		} else {
-			ftdm_clear_flag(sigmsg->channel, FTDM_CHANNEL_SIG_UP);
+		{
+			ftdm_signaling_status_t sigstatus = ftdm_test_flag(span, FTDM_SPAN_USE_SIGNALS_QUEUE) ? sigmsg->sigstatus : *((ftdm_signaling_status_t*)(sigmsg->raw_data));
+			if (sigstatus == FTDM_SIG_STATE_UP) {
+				ftdm_set_flag(sigmsg->channel, FTDM_CHANNEL_SIG_UP);
+			} else {
+				ftdm_clear_flag(sigmsg->channel, FTDM_CHANNEL_SIG_UP);
+			}
 		}
 		break;
 

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn.c

@@ -278,11 +278,11 @@ static void *ftdm_sangoma_isdn_run(ftdm_thread_t *me, void *obj)
 					ftdm_channel_unlock(ftdmchan);
 				}
 
-				/* Check if there are any timers to process */
 				while ((sngisdn_event = ftdm_queue_dequeue(signal_data->event_queue))) {
 					ftdm_sangoma_isdn_process_stack_event(span, sngisdn_event);
 					ftdm_safe_free(sngisdn_event);
-				}
+				}     
+        ftdm_span_trigger_signals(span); 
 				break;
 			case FTDM_TIMEOUT:
 				/* twiddle */
@@ -793,6 +793,7 @@ static FIO_CONFIGURE_SPAN_SIGNALING_FUNCTION(ftdm_sangoma_isdn_span_config)
 	span->set_channel_sig_status = ftdm_sangoma_isdn_set_sig_status;
 	span->state_map	= &sangoma_isdn_state_map;
 	ftdm_set_flag(span, FTDM_SPAN_USE_CHAN_QUEUE);
+	ftdm_set_flag(span, FTDM_SPAN_USE_SIGNALS_QUEUE);
 
 	if (span->trunk_type == FTDM_TRUNK_BRI_PTMP ||
 		span->trunk_type == FTDM_TRUNK_BRI) {

libs/freetdm/src/ftmod/ftmod_sangoma_isdn/ftmod_sangoma_isdn_cntrl.c

@@ -48,7 +48,7 @@ void sngisdn_set_chan_sig_status(ftdm_channel_t *ftdmchan, ftdm_signaling_status
 	sig.span_id = ftdmchan->span_id;
 	sig.channel = ftdmchan;
 	sig.event_id = FTDM_SIGEVENT_SIGSTATUS_CHANGED;
-	sig.raw_data = &status;
+	sig.sigstatus = status;
 	ftdm_span_send_signal(ftdmchan->span, &sig);
 	return;
 }