[SR-Users] MS Teams Direct routing with kamailio

[Karsten Horsmann]

Hi List,

and of course here its an configuration problem on my side. I dont activate
the dispatcher probing in the module section.
Afterwards it pings. Now i have the fun to try and error further.

Am Di., 22. Okt. 2019 um 18:34 Uhr schrieb Henning Westerholt <
hw at skalatan.de>:

> Hi Karsten,
>
>
>
> Try this:
>
>
>
> event_route[tm:local-request] {
>
>
>
>         if(is_method("OPTIONS")) {
>
>                append_hf("Contact: foobar\r\n");
>
>         }
>
> }
>
>
>
> U YYYYY:5060 -> XXXXXX:5060
>
> OPTIONS sip:sip.XXXXX.microsoft.com SIP/2.0.
>
> Via: SIP/2.0/UDP
> YYYYY;branch=z9hG4bK20ab.bd499990000000000000000000000000.0.
>
> To: <sip:sip.XXXXX.microsoft.com>.
>
> From: <sip:dispatcher at localhost
> >;tag=3393f0703fb0ccaca74109ff37de39f5-50a8.
>
> CSeq: 10 OPTIONS.
>
> Call-ID: 6b3a52797fe20b99-14352 at 127.0.0.1.
>
> Max-Forwards: 70.
>
> Content-Length: 0.
>
> User-Agent: Kamailio.
>
> Contact: foobar.
>
>
>
> Cheers,
>
>
>
> Henning
>
>
>
> --
>
> Henning Westerholt - https://skalatan.de/blog/
>
> Kamailio services - https://skalatan.de/services
>
>
>
> *From:* sr-users <sr-users-bounces at lists.kamailio.org> *On Behalf Of *Karsten
> Horsmann
> *Sent:* Tuesday, October 22, 2019 6:24 PM
> *To:* Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org>
> *Subject:* [SR-Users] MS Teams Direct routing with kamailio
>
>
>
> Hello List,
>
>
>
> i search for the right place in kamailio to manipulate the dispatcher
> OPTIONS packets to add an Contact header.
>
>
>
> For uac generated traffic i can use the event_route[tm:local-request] from
> the tm module.
>
> But how can i manipulate kamailio *self* generated OPTION pings from the
> dispatcher?
>
>
>
> OPTIONS request for MS Teams must contain the Contact header of such a
> format:
> Contact: <sip:SBC_FQDN:5061;transport=tls>
>
>
>
> I follow this guide (for opensips) and try to adapt that step by step to
> kamailio:
>
>
>
> https://blog.opensips.org/2019/09/16/opensips-as-ms-teams-sbc/
>
>
>
> CentOS 7 / kamailio 5.2.x (and maybe soon 5.3.x) / rtpengine
>
> --
>
> Cheers
> *Karsten Horsmann*
> _______________________________________________
> Kamailio (SER) - Users Mailing List
> sr-users at lists.kamailio.org
> https://lists.kamailio.org/cgi-bin/mailman/listinfo/sr-users
>


-- 
Mit freundlichen Grüßen
*Karsten Horsmann*
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