[SR-Users] how to use get my domain name in VIA header (INVITE) instead of IP address.

[Ovidiu Sas]

There’s no need for FQDNs in Via headers for MS. IPs work just fine!
You need FQDNs only in Route/Record-Route headers.

Regards,
Ovidiu Sas

On Sat, Apr 25, 2020 at 13:08 Yuriy Nasida <ynasida at gmail.com> wrote:

> Comrade :)
>
> Thanks for the advices! I will try them.
>
> And yes, that is for inbound calls to MS teams. We just got outbound calls
> working by the way (had to do a lot of kamailio tweaks honestly).
> As for inbound calls to MS - I just looking at their docs
> (picute attached). Looks like MS expect domain name in VIA.
> I have all other sip headers like they want, but MS still ignore our
> INVITEs. That is why I think how to change VIA.
>
> If you have example of INVITE to MS teams that is working - that can help
> a lot.
>
>
> [image: image_2020-04-24_08-26-25.png]
>
> On Sat, 25 Apr 2020 at 18:37, Sergiu Pojoga <pojogas at gmail.com> wrote:
>
>> Yuriy,
>>
>> The 'advertise' parameter doesn't support vars. (
>> https://github.com/kamailio/kamailio/issues/2137)
>>
>> As an alternative, you could use a combination of xavps and corex module
>> function via_use_xavp_fields() -- see:
>>
>> https://www.kamailio.org/wiki/cookbooks/5.3.x/core#xavp_via_fields
>>
>> If you're building this for what I think you are, most likely you think
>> you need this - but you actually don't. Or may be I'm wrong and your
>> specifics do require it.
>>
>> Good luck comrade.
>>
>> On Sat, Apr 25, 2020 at 9:41 AM Nasida Yuriy <nasida at live.ru> wrote:
>>
>>> Thanks for the answer Sergiu, but this shoud not be static domain name.
>>> I need to have different domains in Via for different calls.
>>> Is it possible ?
>>> ------------------------------
>>> *От:* sr-users <sr-users-bounces at lists.kamailio.org> от имени Sergiu
>>> Pojoga <pojogas at gmail.com>
>>> *Отправлено:* 24 апреля 2020 г. 21:35
>>> *Кому:* Kamailio (SER) - Users Mailing List <sr-users at lists.kamailio.org
>>> >
>>> *Тема:* Re: [SR-Users] how to use get my domain name in VIA header
>>> (INVITE) instead of IP address.
>>>
>>> Most common way is by using `advertise`  in the `listen` directive.
>>>
>>> https://www.kamailio.org/wiki/cookbooks/5.3.x/core#listen
>>>
>>> On Fri, Apr 24, 2020 at 2:19 PM Nasida Yuriy <nasida at live.ru> wrote:
>>>
>>>
>>> Hi guys,
>>>
>>> It sounds simple but I can not get  domain name in VIA header (INVITE)
>>> instead of IP address.
>>>
>>> It is just
>>>
>>> FS ---INVITE --> Kamailio --INVITE--> endpoint
>>>
>>> Kamailio gets INVITE, and adds one more VIA with it's IP address. How to
>>> get domain name instead ?
>>>
>>> Please advice.
>>>
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