[OpenSIPS-Users] Transfer issue

[Bogdan-Andrei Iancu]

Hi Iñaki,

Iñaki Baz Castillo wrote:
> El Martes, 17 de Noviembre de 2009, Bogdan-Andrei Iancu escribió:
>
>   
>>> Imagine the b2bua routes/generates the call to a proxy which does
>>> parallel forking so b2bua receives two 183 with different To-tag and, of
>>> course, different SDP (sess-id, sess-version...).
>>>
>>> The b2bua replaces the received To-tags in an *unique* new To-tag to be
>>> used in the upstream leg.
>>>
>>> This is a bug since the UAC will receive two 183 with same To-tag but
>>> different SDP so it must ignore the second SDP (a SDP cannot change
>>> during an early-dialog).
>>>       
>> are you sure about this behaviour ? is it stated by  RFC3261?
>>     
>
> It's stated in RFC 3261 and also in RFCXXXX (SDP). I'm 100% sure and I already 
> convinced to Sippy b2bua and SEMS developers ;)
>
> http://lists.b2bua.org/pipermail/devel/2008-November/000028.html
> http://www.mail-archive.com/semsdev@lists.iptel.org/msg00684.html
>
>   
I was just asking to be sure what are the reasons, not because I do not 
trust you ;)

I will work with Anca to find a solution for this.

Thanks and regards,
Bogdan

-- 
Bogdan-Andrei Iancu
www.voice-system.ro