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Session Description Protocol (SDP) Offer/Answer Examples (RFC4317)

IP.com Disclosure Number: IPCOM000132544D
Original Publication Date: 2005-Dec-01
Included in the Prior Art Database: 2005-Dec-21
Document File: 25 page(s) / 33K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

A. Johnston: AUTHOR [+2]

Abstract

This document gives examples of Session Description Protocol (SDP) offer/answer exchanges. Examples include codec negotiation and selection, hold and resume, and addition and deletion of media streams. The examples show multiple media types, bidirectional, unidirectional, inactive streams, and dynamic payload types. Common Third Party Call Control (3pcc) examples are also given.

This text was extracted from an ASCII text file.
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Network Working Group                                        A. Johnston
Request for Comments: 4317                             Tello Corporation
Category: Informational                                        R. Sparks
                                                        Estacado Systems
                                                           December 2005


                   Session Description Protocol (SDP)
                         Offer/Answer Examples

Status of this Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2005).

Abstract

   This document gives examples of Session Description Protocol (SDP)
   offer/answer exchanges.  Examples include codec negotiation and
   selection, hold and resume, and addition and deletion of media
   streams.  The examples show multiple media types, bidirectional,
   unidirectional, inactive streams, and dynamic payload types.  Common
   Third Party Call Control (3pcc) examples are also given.

Johnston & Sparks            Informational                      [Page 1]
RFC 4317               SDP Offer/Answer Examples           December 2005


Table of Contents

   1. Overview ........................................................3
   2. Codec Negotiation and Selection .................................3
      2.1. Audio and Video 1 ..........................................3
      2.2. Audio and Video 2 ..........................................4
      2.3. Audio and Video 3 ..........................................5
      2.4. Two Audio Streams ..........................................6
      2.5. Audio and Video 4 ..........................................7
      2.6. Audio Only 1 ...............................................8
      2.7. Audio and Video 5 ..........................................9
      2.8. Audio and Video 6 .........................................10
   3. Hold and Resume Scenarios ......................................12
      3.1. Hold and Unhold 1 .........................................12
      3.2. Hold with Two Streams .....................................13
   4. Addition and Deletion of Media Streams .........................15
      4.1. Second Audio Stream Added .................................15
      4.2. Audio, then Video Added ...................................16
      4.3. Audio and Video, Then Video Deleted .......................17
   5. Third Party Call Control (3pcc) ..............