add some clarification

git-svn-id: http://svn.freeswitch.org/svn/freeswitch/trunk@9238 d0543943-73ff-0310-b7d9-9358b9ac24b2

src/switch_ivr_originate.c

@@ -536,10 +536,16 @@ SWITCH_DECLARE(switch_status_t) switch_ivr_originate(switch_core_session_t *sess
 	char *loop_data = NULL;
 	uint32_t progress_timelimit_sec = 0;
 
+	*bleg = NULL;
+
+	if (!strncasecmp(bridgeto, "error/", 6)) {
+		*cause = switch_channel_str2cause(bridgeto + 6);
+		return SWITCH_STATUS_SUCCESS;
+	}
+
 	switch_zmalloc(write_frame.data, SWITCH_RECOMMENDED_BUFFER_SIZE);
 	write_frame.buflen = SWITCH_RECOMMENDED_BUFFER_SIZE;
 
-	*bleg = NULL;
 	odata = strdup(bridgeto);
 
 	if (!odata) {