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Only try to use the invite_branch on outgoing INVITEs with auth credentials.

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I have added a comment to the code to help ease understanding of the logic here
as well.



git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@199958 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Mark Michelson
2009-06-10 20:15:48 +00:00
parent df649a8671
commit 28fe3938b7
1 changed files with 5 additions and 1 deletions
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channels/chan_sip.c
+5 -1
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@@ -8967,7 +8967,11 @@ static int reqprep(struct sip_request *req, struct sip_pvt *p, int sipmethod, in
seqno = p->ocseq;
}
if (sipmethod == SIP_CANCEL || sipmethod == SIP_INVITE) {
/* A CANCEL must have the same branch as the INVITE that it is canceling.
* Similarly, if we need to re-send an INVITE with auth credentials, then we
* need to use the same branch as we did the first time we sent the INVITE.
*/
if (sipmethod == SIP_CANCEL || (sipmethod == SIP_INVITE && !ast_strlen_zero(p->options->auth))) {
p->branch = p->invite_branch;
build_via(p);
} else if (newbranch) {