Hello,

Please post a trace of this.

Best Regards,

Vlad Paiu
OpenSIPS Developer
http://www.opensips-solutions.com

On 25.06.2015 06:25, John Nash wrote:
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 <[email protected] <mailto:[email protected]>> 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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