Hi,

It's a crude proof of concept at the moment and isn't working entirely as expected - but to enable it was mostly just a case of including the TOPOS module with MySQL backend (Redis is probably better for high traffic environment) and adding a couple of record_routes() for non-dialog messages.

Once I get to the bottom of this issue I'll try to share something.

Thanks

On Thu, Aug 5, 2021 at 2:45 PM mohsen khashei <mkhashei@gmail.com> wrote:
Hi marrold can you share your config . I an trying to use kamailio as b2bua with no success may be seeing some config help me.
Thanks

On Thu, Aug 5, 2021, 4:55 PM Marrold <kamailio@marrold.co.uk> wrote:
Hi Henning,

I realised as soon as I sent the message I'd forgotten that important detail. It's 5.5.1 on Debian 10 from the repos.

Thanks!

On Thu, Aug 5, 2021 at 8:53 AM Henning Westerholt <hw@skalatan.de> wrote:

Hello,

 

Others might be able to comment in more detail, but quick question: which version of Kamailio you are using?

For 5.5.x branch some extensions were added to the topos module for SUBSCRIBEs:

 

+                This module is designed to work for presence (SUBSCRIBE-based) dialogs too.

+               The REGISTER and PUBLISH requests are skipped from processing

 

Cheers,

 

Henning

 

--

Henning Westerholt – https://skalatan.de/blog/

Kamailio services – https://gilawa.com

 

From: sr-users <sr-users-bounces@lists.kamailio.org> On Behalf Of Marrold
Sent: Wednesday, August 4, 2021 10:15 PM
To: Kamailio (SER) - Users Mailing List <sr-users@lists.kamailio.org>
Subject: [SR-Users] Issues with TOPOS when not relaying an in-dialog request

 

Hi,

I am currently using TOPOS to make Kamailio behave more like a B2BUA from the clients perspective. It's working well, however I have discovered a scenario where it fails.

To aid with some interoperability I am sending (sl_send_reply) 200 OK to an in-dialog SUBSCRIBE request during a call. Once this has happened, the subsequent BYE from the B leg goes to the incorrect (Private) IP. If I disable this SUBSCRIBE, or relay it to the B leg, the BYE goes to the expected IP address.

 

Does anyone know where I am going wrong? I have tried not calling record_route() for these messages but the result is the same.

 

I've attached the ladder diagram of the call below. Note the subscribe is not relayed in this scenario.

 

Thanks!

 

 

 

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