[OpenSIPS-Users] ACK Routing Issue

Diptesh Patel diptesh.patel at ecosmob.com
Fri Jun 5 12:00:40 EST 2020

Hello Mark,

Are you using Topology Hiding or Loose Routing?

If you are using Topology Hiding then you need to match the topology using
*topology_hiding_match()* first.

It is great if you can share SIP packets.

Thanks & Regards
*Diptesh Patel*
Software Developer
Ecosmob Technologies Ltd,

On Fri, Jun 5, 2020 at 5:00 PM Mark Farmer <farmorg at gmail.com> wrote:

> Hi everyone
> I've upgraded an OpenSIPS box to 3.1 and am now seeing an issue with ACK's
> trying to route to an incorrect IP - in this case our own advertised IP.
> I think I'm right in saying that PRACK's & ACK's are treated equally and
> should route in the same manner? However, PRACK's are routing correctly.
> I have this:
> if (has_totag()) {
>                 ---
>                 # handle hop-by-hop ACK (no routing required)
>                 #if ( is_method("ACK") && t_check_trans() ) {
>                 if (is_method("ACK")) {
>                         t_relay();
>                         exit;
>                 }
> ---
> Thanks for any ideas!
> Mark.
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> Users at lists.opensips.org
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