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chan_sip: Trigger reinvite if the SDP answer is included in the SIP ACK

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Under certain conditions, a SIP transaction involving directmedia wouldn't
trigger a re-invite because the SDP answer was included in an ACK instead
of in a message that we would have triggered the invite with. This patch
just queues a source change control frame if the dialog is using
directmedia when we find sdp for an ACK.

(closes issue AST-913)
Reported by: Thomas Arimont
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Merged revisions 371337 from http://svn.asterisk.org/svn/asterisk/branches/1.8
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Merged revisions 371338 from http://svn.asterisk.org/svn/asterisk/branches/10
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Merged revisions 371355 from http://svn.asterisk.org/svn/asterisk/branches/11


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@371356 65c4cc65-6c06-0410-ace0-fbb531ad65f3
This commit is contained in:
Jonathan Rose
2012-08-16 18:28:30 +00:00
parent f4a34ee89c
commit 70ca2e51a1
1 changed files with 5 additions and 1 deletions
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6
channels/chan_sip.c
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@@ -27376,8 +27376,12 @@ static int handle_incoming(struct sip_pvt *p, struct sip_request *req, struct as
p->pendinginvite = 0;
acked = __sip_ack(p, seqno, 1 /* response */, 0);
if (find_sdp(req)) {
if (process_sdp(p, req, SDP_T38_NONE))
if (process_sdp(p, req, SDP_T38_NONE)) {
return -1;
}
if (ast_test_flag(&p->flags[0], SIP_DIRECT_MEDIA)) {
ast_queue_control(p->owner, AST_CONTROL_SRCCHANGE);
}
}
check_pendings(p);
} else if (p->glareinvite == seqno) {