Subject: RE: [Sip] media coder negotiation

From: "Even, Roni" <[email-masked]>
Date: Wed, 20 Mar 2002 16:11:06 +0200

Hi,
There is a simcap (simple capabilities) draft. It address some aspects of
capabilities negotiations. There are also some difference between caps in
H.323 and the definitions in SIP mostly for video
Roni Even
Polycom

> -----Original Message-----
> From: Guntram Diehl [mailto:[email-masked]]
> Sent: Wednesday, March 20, 2002 1:57 PM
> To: [email-masked]'
> Subject: [Sip] media coder negociation
> 
> 
> Hi,
> 
> can anybody tell me if there is already any work concerning 
> media coder
> negociation within sip in progress?
> 
> There seems to be a need for this for several reasons:
> 
> - SIP - H.323 interworking
> - RSVP: You have to make reservations with RSVP as receiver 
> of the media
> stream. How can you make reservations if you don't know which 
> one of the
> different sessions you annouce via SDP is used by the other side.
> - Most of the available DSP software for coders support 
> symmetric coders
> only.
> 
> Guntram
> 
> 
> 
> 
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