From 51a6a986f1952f748875735bcf08a3ebd2c7ee9f Mon Sep 17 00:00:00 2001
From: Richard Mudgett <rmudgett@digium.com>
Date: Mon, 30 Apr 2018 17:24:33 -0500
Subject: [PATCH] res_pjsip/pjsip_distributor.c: Add missing off-nominal
 request response.

Change-Id: I389579b39c523d1d1e8ce020ef549a8bb5781c9b
---
 res/res_pjsip/pjsip_distributor.c | 1 +
 1 file changed, 1 insertion(+)

diff --git a/res/res_pjsip/pjsip_distributor.c b/res/res_pjsip/pjsip_distributor.c
index e056b608ec..8a45ddbf6a 100644
--- a/res/res_pjsip/pjsip_distributor.c
+++ b/res/res_pjsip/pjsip_distributor.c
@@ -729,6 +729,7 @@ static pj_bool_t endpoint_lookup(pjsip_rx_data *rdata)
 					AO2_ALLOC_OPT_LOCK_RWLOCK);
 				if (!unid) {
 					ao2_unlock(unidentified_requests);
+					pjsip_endpt_respond_stateless(ast_sip_get_pjsip_endpoint(), rdata, 500, NULL, NULL, NULL);
 					return PJ_TRUE;
 				}
 				strcpy(unid->src_name, rdata->pkt_info.src_name); /* Safe */
-- 
2.47.2