[OpenSIPS-Users] MS teams, reinvite after ACK

[Johan De Clercq]

remove Refer from your supported methods.
Do note that attended transfer will not work in this case.

wkr,

Op wo 2 jun. 2021 om 10:15 schreef Miha via Users <users at lists.opensips.org
>:

> Hello
>
> i manage to fix this. I did not do t_relay() also seq Invites, after this
> everything works ok.
>
> Just on question, regarding transfers, i see that MS Teams send REFER in
> which trafter is defined. How do you deal with this? You do not allow REFER
> from MS teams and hope that MS teams will send new INVITE?
>
>
> thank you
> miha
>
> Jeff Pyle je 6/1/2021 ob 3:26 PM napisal:
>
> Miha,
>
> First, do you need to use "mtsbc.test.com:5060" in the first
> record_route_preset() param?  Can you use the IP address of your proxy
> instead?  FQDNs are legal of course, but outside of MS Teams'
> implementation, they're rarely required.  It's just another thing to go
> wrong.  Especially while testing.
>
> The ACK to the 200 OK is a sequential (in-dialog) request.  It's not part
> of the original INVITE transaction.  Your script will have a section like
>
>         if (has_totag()) {
>                 if (loose_route()) {
>                         t_relay();
>                 }
>         }
>
> for sequential requests through a loose-routing proxy.  This is very
> oversimplified and yours will have more.  In this section, however, is
> where you'll process the ACK because it has a to-tag (line 293) and a route
> header (line 298) so the conditions match.
>
> Use xlogs or the debug tool of your choice to diagnose what's happening in
> this section with the ACK.  In my scripts, I use global flag 0 to indicate
> when I want logging.  So, I might have something like this:
>
>        if (has_totag()) {
>                if (is_gflag(0)) xlog("L_NOTICE", " ...in-dialog $rm
> request\n");
>                # ...do all the things...maybe more logging like the line
> above...
>
>
> - Jeff
>
>
> On Tue, Jun 1, 2021 at 4:57 AM Miha via Users <users at lists.opensips.org>
> wrote:
>
>> Hello
>>
>>
>> I have an issue and I am unable to find out what is wrong. Incoming calls
>> are working but when doing outbound call after 200OK, which is send to
>> Teams I get back ACK and after that Teams do again initial. I guess this is
>> not ok.
>>
>> I am doing this for outband calls:
>>
>>
>> xlog("L_INFO", "rtp rtps record route");
>>             record_route_preset("mtsbc.test.com:5060","mtsbc.test.com
>> :5061;transport=tls");
>>             add_rr_param(";r2=on");
>>
>> I am pasting here trace. Opensips is in the middle.
>>
>> Thank you for help!
>>
>> https://pastebin.com/qM0dMiCc
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>
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