[OpenSIPS-Users] Ack without To tag

John Nash john.nash778 at gmail.com
Wed Jul 15 07:17:31 CEST 2015

Dear Vlad,

Do you need any more information? Like debug log or complete wireshark pcap?


On Wed, Jun 24, 2015 at 10:06 PM, John Nash <john.nash778 at 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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