[OpenSIPS-Users] How to send 200 OK for REGISTER without adding Tag in SIP-To-Header (To-Tag $tt)

[Bogdan-Andrei Iancu]

Hi Pai,

use force_rport() - this will add rport and received params to the via.

Regards,
Bogdan

Pai Peng wrote:
> Hello Bogdan,
>
>
> thanks a lot for your clear answer.
>
> I am now comparing out the 2 different 200 OK responses: one from 
> other sip-server works fine on Nokia SIP client, the other comes from 
> Opensips not.
>
> I can not manipulate the SIP client on Nokia device, because it is 
> integrated in OS and can already works with many other SIP servers.
>
>
> Because I can't find out the error code (-17701) description in any 
> documents, I don't know exactly what is the problem. I heard from 
> someone that it is may be in the contact-header...
>
> There are two different points between these two 200 OKs:
> in Via: the working 200 OK response has a received=ip added into the 
> Via-Header (it is the same as the src_ip in via-header), but the 200 
> OK from Opensips has not.
>
> in To-header: the working 200 OK response has not To-Tag inserted, but 
> the other from Opensips has.
>
>
> I have just checked out in the early discussion about the 
> ";received=ip" in VIA. It is not a MUST. But in order to solve my 
> problem, I would like to add this in via-header by myself.
>
> The question is, if it is possible to do it? When yes, how to 
> configuration?
>
>
> Thanks again
>
> Pai
>
>
> On Wed, Oct 8, 2008 at 6:40 PM, Bogdan-Andrei Iancu 
> <bogdan at voice-system.ro <mailto:bogdan at voice-system.ro>> wrote:
>
>     Hi Pai,
>
>     It is a must (by RFC3261) to have a TO-tag in any final reply
>     (including 200 OK) . What are you asking is a violation of the SIP
>     RFC.
>
>     I guess the problem is in the SIP client from the NOKIA device.
>     You should try to solve it there.
>
>
>     Anyhow, to answer to your question, no, there is no way to send a
>     200 OK without To-tag :).
>
>     Regards,
>     Bogdan
>
>     Pai Peng wrote:
>
>         Hello,
>
>
>         I am using Opensips 1.4.2  as SIP-Server and a Nokia N95 as
>         SIP-Client.
>
>         But I got error -17701 on N95 by registering with 200 OK
>         response from the server.
>
>         I compared the 200 OK SIP-message with other worked SIP-Server
>         und found out, that the problem maybe is on the To-Tag in the
>         response.
>
>         Now I want the Opensips not adding to-tag into the 200 OK
>         response for register. Can anyone give me a help?
>
>
>         Thanks
>
>         Pai
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>
>
>
> -- 
> Pai Peng
> Mierendorffstr. 21
> 10589 Berlin
> Germany
> Tel.: 0049-179-7716503
> Symbian OS