Don't reset hangupcause if we already have one

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@66414 65c4cc65-6c06-0410-ace0-fbb531ad65f3

diff --git a/channels/chan_sip.c b/channels/chan_sip.c
index e93ee3782e4fbbfec68dc208652092e9c06d53f1..b7305697228f06cdc3f22f2399bc4c5e48355694 100644 (file)
--- a/channels/chan_sip.c
+++ b/channels/chan_sip.c
@@ -1934,7 +1934,7 @@ static int retrans_pkt(void *data)
                        usleep(1);
                        ast_mutex_lock(&pkt->owner->lock);
                }
-               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?