RFC 2793 (rfc2793) - Page 1 of 10

RTP Payload for Text Conversation

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Network Working Group                                       G. Hellstrom
Request for Comments: 2793                                    Omnitor AB
Category: Standards Track                                       May 2000


                   RTP Payload for Text Conversation

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 Notice

   Copyright (C) The Internet Society (2000).  All Rights Reserved.

Abstract

   This memo describes how to carry text conversation session contents
   in RTP packets. Text conversation session contents are specified in
   ITU-T Recommendation T.140 [1].

   Text conversation is used alone or in connection to other
   conversational facilities such as video and voice, to form multimedia
   conversation services.

   This RTP payload description contains an optional possibility to
   include redundant text from already transmitted packets in order to
   reduce the risk of text loss caused by packet loss. The redundancy
   coding follows RFC 2198.

1. Introduction

   This memo defines a payload type for carrying text conversation
   session contents in RTP packets. Text conversation session contents
   are specified in ITU-T Recommendation T.140 [1]. Text conversation is
   used alone or in connection to other conversational facilities such
   as video and voice, to form multimedia conversation services. Text in
   text conversation sessions is sent as soon as it is available, or
   with a small delay for buffering.








Hellstrom                   Standards Track
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