Let me add some more details which I noticed. As i explained in previous post in the same subject, we receive ACK without to tag from one UA, since it will not match any dialog, I tried to route it to destination with topology_hiding but topology hiding used different branch tag than the 200 OK received (It only replaced .0 with .2). I think this is happening because I am also using drouting module and UAC which use branches.
I can post trace also if someone wants to have a look. On Wed, Jun 24, 2015 at 10:06 PM, John Nash <john.nash...@gmail.com> wrote: > I am using opensips 2.1 with topology_hiding module. I have an issue only > with one SIP endpoint. This endpoint sends Ack message (after 200 OK to > Invite) without any to tag because of that it is not matching with In > dialog request section. > > Can a UA send ACK without to tag?...If yes any way I can match it with > ongoing dialog? > > John >
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