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Session Description Protocol (SDP) Extension for Setting Audio and Video Media Streams over Circuit-Switched Bearers in the Public Switched Telephone Network (PSTN) (RFC7195)

IP.com Disclosure Number: IPCOM000236615D
Original Publication Date: 2014-May-01
Included in the Prior Art Database: 2014-May-06
Document File: 78 page(s) / 93K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

M. Garcia-Martin: AUTHOR [+2]

Abstract

The Session Description Protocol (SDP) [RFC4566] is intended for describing multimedia sessions for the purposes of session announcement, session invitation, and other forms of multimedia session initiation. SDP is most commonly used for describing media streams that are transported over the Real-Time Transport Protocol (RTP) [RFC3550], using the profiles for audio and video media defined in "RTP Profile for Audio and Video Conferences with Minimal Control" [RFC3551].

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Internet Engineering Task Force (IETF)                  M. Garcia-Martin Request for Comments: 7195                                      Ericsson Category: Standards Track                                S. Veikkolainen ISSN: 2070-1721                                                    Nokia                                                                 May 2014

             Session Description Protocol (SDP) Extension for  Setting Audio and Video Media Streams over Circuit-Switched Bearers in               the Public Switched Telephone Network (PSTN)

Abstract

   This memo describes use cases, requirements, and protocol extensions    for using the Session Description Protocol (SDP) offer/answer model    for establishing audio and video media streams over circuit-switched    bearers in the Public Switched Telephone Network (PSTN).

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force    (IETF).  It represents the consensus of the IETF community.  It has    received public review and has been approved for publication by the    Internet Engineering Steering Group (IESG).  Further information on    Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,    and how to provide feedback on it may be obtained at    http://www.rfc-editor.org/info/rfc7195.

Copyright Notice

   Copyright (c) 2014 IETF Trust and the persons identified as the    document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal    Provisions Relating to IETF Documents    (http://trustee.ietf.org/license-info) in effect on the date of    publication of this document.  Please review these documents    carefully, as they describe your rights and restrictions with respect    to this document.  Code Components extracted from this document must    include Simplified BSD License text as described in Section 4.e of    the Trust Legal Provisions and are provided without warranty as    described in the Simplified BSD License.

Garcia-Martin & Veikkolainen Standards Track                    [Page 1]
 RFC 7195          PSTN Circuit-Switched Bearers in SDP          May 2014

 Table of Contents

   1. Introduction ....................................................3

   2. Conventions Used in This Document ...............................4

   3. Requirements ....................................................5

   4. Overview of Operation ...........................................5

      4.1. Example Call Flow ..........................................6

 ...