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RFC 3264 - An Offer/Answer Model with the Session Description Protocol (SDP)

Network Working Group: J. Rosenberg, H. Schulzrinne
Request for Comments: 3264
Obsoletes: 2543
Category: Standards Track
Date: June 2002

Status of this Memo​

This document specifies an Internet standards track protocol for the Internet community, and requests discussion and suggestions for improvements. Please refer to the current edition of the "Internet Official Protocol Standards" (STD 1) for the standardization state and status of this protocol. Distribution of this memo is unlimited.

Copyright (C) The Internet Society (2002). All Rights Reserved.

Abstract​

This document defines a mechanism by which two entities can make use of the Session Description Protocol (SDP) to arrive at a common view of a multimedia session between them. In the model, one participant offers the other a description of the desired session from their perspective, and the other participant answers with the desired session from their perspective. This offer/answer model is most useful in unicast sessions where information from both participants is needed for the complete view of the session. The offer/answer model is used by protocols like the Session Initiation Protocol (SIP).

Contents​

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