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This draft is a work item of the Multiparty Multimedia Session Control Working Group of the IETF.
Title : Source-Specific Media Attributes in the Session Description Protocol (SDP)
Author(s) : J. Lennox, et al.
Filename : draft-ietf-mmusic-sdp-source-attributes-00.txt
Pages : 20
Date : 2007-11-19
The Session Description Protocol provides mechanisms to describe
attributes of multimedia sessions and of individual media streams
(e.g., Real-time Transport Protocol (RTP) sessions) within a
multimedia session, but does not provide any mechanism to describe
individual media sources within a media stream. This document
defines a mechanism to describe RTP media sources, identified by
their Synchronization Source Identifiers (SSRCs), in SDP, associate
attributes with these sources, and express relationships among
sources. It also defines several source-level attributes which can
be used to describe properties of media sources.
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