From 20af2870d949d0684cd224206886d8599e4d433d Mon Sep 17 00:00:00 2001
From: Olle Johansson <oej@edvina.net>
Date: Tue, 7 Nov 2006 13:26:31 +0000
Subject: [PATCH] issue #8265 - don't reply to ACK. Imported from 1.2, 1.4

git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@47252 65c4cc65-6c06-0410-ace0-fbb531ad65f3
---
 channels/chan_sip.c | 4 ++--
 1 file changed, 2 insertions(+), 2 deletions(-)

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index 31821b4d1e..2ec500e235 100644
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -4399,10 +4399,10 @@ static struct sip_pvt *find_call(struct sip_request *req, struct sockaddr_in *si
 		transmit_response_using_temp(callid, sin, 1, intended_method, req, "501 Method Not Implemented");
 		if (option_debug > 1 )
 			ast_log(LOG_DEBUG, "Got a request with unsupported SIP method.\n");
-	} else if (intended_method != SIP_RESPONSE) {
+	} else if (intended_method != SIP_RESPONSE && intended_method != SIP_ACK) {
 		/* This is a request outside of a dialog that we don't know about */
 		transmit_response_using_temp(callid, sin, 1, intended_method, req, "481 Call leg/transaction does not exist");
-		if (option_debug > 1 && intended_method == SIP_RESPONSE)
+		if (option_debug > 1)
 			ast_log(LOG_DEBUG, "That's odd...  Got a request in unknown dialog. Callid %s\n", callid ? callid : "<unknown>");
 	}
 	/* We do not respond to responses for dialogs that we don't know about, we just drop
-- 
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