Title: Grouping of Media Lines in the Session Description Protocol (SDP)
Author(s): G. Camarillo, G. Eriksson, J. Holler, H. Schulzrinne.
Status: PROPOSED STANDARD
Date: Dec 2002
Length: 39365
This document defines two Session Description Protocol (SDP) attributes: "group" and "mid". They allow to group together several "m" lines for two different purposes: for lip synchronization and for receiving media from a single flow (several media streams) that are encoded in different formats during a particular session, on different ports and host interfaces.
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