Merged revisions 66414 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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r66414 | oej | 2007-05-29 18:07:44 +0200 (Tue, 29 May 2007) | 2 lines

Don't reset hangupcause if we already have one

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@66433 65c4cc65-6c06-0410-ace0-fbb531ad65f3

channels/chan_sip.c

@@ -2096,7 +2096,7 @@ static int retrans_pkt(void *data)
 			usleep(1);
 			sip_pvt_lock(pkt->owner);
 		}
-		if (pkt->owner->owner) 
+		if (pkt->owner->owner && !pkt->owner->owner->hangupcause) 
 			pkt->owner->owner->hangupcause = AST_CAUSE_NO_USER_RESPONSE;
 		if (pkt->method == SIP_BYE) {
 			/* Ok, we're not getting answers on SIP BYE's. Who cares?