[OpenSIPS-Users] RV: Second call on transferred with B2B refer scenario

[Santi Antón]

Oh, I forget to attach the file. Next you can find a link to pcap.

https://drive.google.com/file/d/0B3db2bUGbNDQWFIzSjhoVFFKVUk/edit?usp=sharing

Regards,
 
Santi Antón


-----Mensaje original-----
De: Bogdan-Andrei Iancu [mailto:bogdan at opensips.org] Enviado el: jueves, 22 de mayo de 2014 18:29
Para: users at lists.opensips.org; Santi Antón
Asunto: Re: [OpenSIPS-Users] Second call on transferred with B2B refer scenario

Hello Santi,

There is nothing attached and it is not a good practice to have large attachments on the mailing lists (as you are flooding the inboxes). 
Better uploade your trace on a pastebin like side (or store pcap on ftp/http servers) and just post the link.

Regards,

Bogdan-Andrei Iancu
OpenSIPS Founder and Developer
http://www.opensips-solutions.com

On 22.05.2014 13:28, Santi Antón wrote:
> Hello,
>
> I'm trying to implement attendant transfer capability to our Opensips server with the b2b module and refer.xml scenario.
> Attended transfer works fine except the transferred receives a new call rather than update the ongoing call with transferor.
> Looking for the cause I saw that from tag is different between the initial call (INVITE) to transferred and the from tag in Replaces header (INVITE). I think the two from tag have to be the same to consider the second INVITE an update and not a new call.
> Attached you can find a capture with an isolated example (9443 calls 9441 and does an attended transfer to 9442).
> Maybe I'm not understanding the module behavior but I couldn't find any clue in module's documentation.
>
> Thanks in advance,
>   
> Santi Antón
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