SDP: Session Description Protocol

The information below is for an old version of the document
Document Type None Internet-Draft (mmusic WG)
Last updated 2018-06-05 (latest revision 2018-05-22)
Stream IETF
Intended RFC status Proposed Standard
Expired & archived
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Stream WG state (None)
Document shepherd Flemming Andreasen
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This Internet-Draft is no longer active. A copy of the expired Internet-Draft can be found at


This memo defines the Session Description Protocol (SDP). SDP is intended for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation. This document obsoletes RFC 4566.


Ali Begen (
Paul Kyzivat (
Colin Perkins (
Mark Handley (

(Note: The e-mail addresses provided for the authors of this Internet-Draft may no longer be valid.)