make sure dest is not blank for rare edge case

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@15212 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/mod/endpoints/mod_sofia/mod_sofia.c

@@ -2758,6 +2758,11 @@ static switch_call_cause_t sofia_outgoing_channel(switch_core_session_t *session
 
 	*new_session = NULL;
 
+	if (!outbound_profile || zstr(outbound_profile->destination_number)) {
+		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Invalid Destination\n");
+		goto error;
+	}
+
 	if (!(nsession = switch_core_session_request(sofia_endpoint_interface, SWITCH_CALL_DIRECTION_OUTBOUND, pool))) {
 		switch_log_printf(SWITCH_CHANNEL_LOG, SWITCH_LOG_CRIT, "Error Creating Session\n");
 		goto error;