FS-3529 please try this revision I suspect its related to some uninitilized…

FS-3529 please try this revision I suspect its related to some uninitilized memory causing flags to be set that are not in the dtmf structure in certian cases

src/mod/applications/mod_fax/mod_fax.c

@@ -1329,7 +1329,7 @@ static switch_bool_t inband_dtmf_callback(switch_media_bug_t *bug, void *user_da
 			if (digit_str[0]) {
 				char *p = digit_str;
 				while (p && *p) {
-					switch_dtmf_t dtmf;
+					switch_dtmf_t dtmf = {0};
 					dtmf.digit = *p;
 					dtmf.duration = switch_core_default_dtmf_duration(0);
 					switch_channel_queue_dtmf(channel, &dtmf);

src/mod/applications/mod_spandsp/mod_spandsp_dsp.c

@@ -52,7 +52,7 @@ static void spandsp_dtmf_rx_realtime_callback(void *user_data, int code, int lev
 	if (digit) {
 		/* prevent duplicate DTMF */
 		if (digit != pvt->last_digit || (pvt->samples - pvt->last_digit_end) > pvt->min_dup_digit_spacing) {
-			switch_dtmf_t dtmf;
+			switch_dtmf_t dtmf = {0};
 			switch_log_printf(SWITCH_CHANNEL_SESSION_LOG(pvt->session), SWITCH_LOG_DEBUG, "DTMF BEGIN DETECTED: [%c]\n", digit);
 			pvt->last_digit = digit;
 			dtmf.digit = digit;

src/mod/endpoints/mod_gsmopen/mod_gsmopen.cpp

@@ -928,7 +928,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 			switch_channel_t *channel = switch_core_session_get_channel(session);
 
 			while (p && *p) {
-				switch_dtmf_t dtmf;
+				switch_dtmf_t dtmf = {0};
 				dtmf.digit = *p;
 				dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
 				switch_channel_queue_dtmf(channel, &dtmf);

src/mod/endpoints/mod_skypopen/mod_skypopen.c

@@ -943,7 +943,7 @@ static switch_status_t channel_read_frame(switch_core_session_t *session, switch
 						if(channel){
 
 							while (p && *p) {
-								switch_dtmf_t dtmf;
+								switch_dtmf_t dtmf = {0};
 								dtmf.digit = *p;
 								dtmf.duration = SWITCH_DEFAULT_DTMF_DURATION;
 								switch_channel_queue_dtmf(channel, &dtmf);

src/switch_ivr.c

@@ -241,7 +241,7 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_sleep(switch_core_session_t *session,
 
 
 		if (args) {
-			switch_dtmf_t dtmf;
+			switch_dtmf_t dtmf = {0};
 
 			/*
 			   dtmf handler function you can hook up to be executed when a digit is dialed during playback 

src/switch_ivr_async.c

@@ -566,7 +566,7 @@ SWITCH_DECLARE(void) switch_ivr_session_echo(switch_core_session_t *session, swi
 		switch_ivr_parse_all_events(session);
 
 		if (args && (args->input_callback || args->buf || args->buflen)) {
-			switch_dtmf_t dtmf;
+			switch_dtmf_t dtmf = {0};
 
 			/*
 			   dtmf handler function you can hook up to be executed when a digit is dialed during playback 
@@ -2154,7 +2154,7 @@ static switch_bool_t inband_dtmf_callback(switch_media_bug_t *bug, void *user_da
 			if (digit_str[0]) {
 				char *p = digit_str;
 				while (p && *p) {
-					switch_dtmf_t dtmf;
+					switch_dtmf_t dtmf = {0};
 					dtmf.digit = *p;
 					dtmf.duration = switch_core_default_dtmf_duration(0);
 					dtmf.source = SWITCH_DTMF_INBAND_AUDIO;
@@ -3188,7 +3188,7 @@ static void *SWITCH_THREAD_FUNC speech_thread(switch_thread_t *thread, void *obj
 					}
 
 					if (is_dtmf(c)) {
-						switch_dtmf_t dtmf;
+						switch_dtmf_t dtmf = {0};
 						dtmf.digit = c;
 						dtmf.duration = switch_core_default_dtmf_duration(0);
 						dtmf.source = SWITCH_DTMF_INBAND_AUDIO;