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Re: [Sip] media coder negociation
The offer/answer model of SDP allows for an agreeement on the set of
codecs that are used in the session. Please see:
http://www.ietf.org/internet-drafts/draft-ietf-mmusic-sdp-offer-answer-02.txt
-Jonathan R.
Guntram Diehl wrote:
>
> 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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> This list is for NEW development of the core SIP Protocol
> Use sip-implementors@cs.columbia.edu for questions on current sip
> Use sipping@ietf.org for new developments on the application of sip
--
Jonathan D. Rosenberg, Ph.D. 72 Eagle Rock Avenue
Chief Scientist First Floor
dynamicsoft East Hanover, NJ 07936
jdrosen@dynamicsoft.com FAX: (973) 952-5050
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http://www.dynamicsoft.com
_______________________________________________
Sip mailing list https://www1.ietf.org/mailman/listinfo/sip
This list is for NEW development of the core SIP Protocol
Use sip-implementors@cs.columbia.edu for questions on current sip
Use sipping@ietf.org for new developments on the application of sip