we stop the tones only when we're in the pre-call phase, otherwise e.g. when in CONNECTED state we should not stop tones when we receive an Information Message

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.2@65328 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_misdn.c

@@ -3459,7 +3459,8 @@ cb_events(enum event_e event, struct misdn_bchannel *bc, void *user_data)
 	{
 		int stop_tone;
 		misdn_cfg_get( 0, MISDN_GEN_STOP_TONE, &stop_tone, sizeof(int));
-		if ( stop_tone ) {
+
+		if ( (ch->state != MISDN_CONNECTED) && stop_tone ) {
 			stop_indicate(ch);
 		}