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Re: [Sipping] Transcoding and route entries

Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com> Fri, 12 March 2004 18:34 UTC

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Date: Fri, 12 Mar 2004 20:29:45 +0200
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From: Gonzalo Camarillo <Gonzalo.Camarillo@ericsson.com>
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To: Paul Kyzivat <pkyzivat@cisco.com>
CC: sipping <sipping@ietf.org>, Eric Burger <eburger@snowshore.com>, Henning Schulzrinne <hgs@cs.columbia.edu>, Jonathan Rosemberg <jdrosen@dynamicsoft.com>, Rohan Mahy <rohan@cisco.com>, Adam Roach <adam@dynamicsoft.com>
Subject: Re: [Sipping] Transcoding and route entries
References: <40519ED0.1000509@ericsson.com> <4051CF88.6080806@cisco.com>
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Paul,

> If this proves to be a problem, then this architecture for a transcoded 
> call may be entirely wrong. What ever happened to the concept of having 
> A (or B) act as a B2BUA, bringing in T when needed? As in:
> 
>     T ---2----- A ----1------ B
>       ===3=====
>       =========4=============
> 
> where 1 and 2 are sip connections that A joining, acting as a B2BUA, 
> while 3 and 4 are media sessions that T is joining, acting as a transcoder.

This approach is documented in the following draft, which will be WGLCed 
shortly. I want this thread to focus on the other draft, though.

http://www.ietf.org/internet-drafts/draft-ietf-sipping-transc-3pcc-00.txt

Thanks,

Gonzalo


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