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Real-time Facsimile (T.38) - image/t38 MIME Sub-type Registration (RFC3362)

IP.com Disclosure Number: IPCOM000009556D
Original Publication Date: 2002-Aug-01
Included in the Prior Art Database: 2002-Sep-03
Document File: 6 page(s) / 8K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Parsons: AUTHOR

Abstract

This document describes the registration of the MIME sub-type image/t38. The encoding is defined by ITU Recommendation T.38 and is intended for use as an Session Description Protocol (SDP) media descriptor.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 33% of the total text.

Network Working Group� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � G. Parsons

Request for Comments: 3362� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � Nortel Networks

Category: Standards Track� � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � � August 2002

� � � � � � � � � � � � � � � Real-time Facsimile (T.38) - image/t38

� � � � � � � � � � � � � � � � � � � � � MIME Sub-type Registration

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 (2002).� All Rights Reserved.

Abstract

� � This document describes the registration of the MIME sub-type

� � image/t38.� The encoding is defined by ITU Recommendation T.38 and is

� � intended for use as an Session Description Protocol (SDP) media

� � descriptor.

1.� Conventions used in this document

� � The key words "MUST", "MUST NOT", "REQUIRED", "SHALL", "SHALL NOT",

� � "SHOULD", "SHOULD NOT", "RECOMMENDED", "MAY", and "OPTIONAL" in this

� � document are to be interpreted as described in BCP 14, RFC 2119

� � [REQ].

2.� Overview

� � This document describes the registration of the MIME sub-type

� � image/t38.� The encoding is defined by [T.38] and is intended for use

� � as an SDP media descriptor.

3.� T.38 Definition

� � ITU-T Recommendation T.38 [T.38] describes the technical features

� � necessary to transfer facsimile documents in real-time between two

� � standard Group 3 facsimile terminals over the Internet or other

� � networks using IP protocols.� The Recommendation allows the use of

� � either TCP or UDP depending on the service environment.

Parsons� � � � � � � � � � � � � � � � � � � � Standards Track� � � � � � � � � � � � � � � � � � � � [Page 1]

RFC 3362� � � � � � � � � � � � � � � MIME Sub-type image/t38� � � � � � � � � � � � � August 2002

� � ITU-T Recommendation T.38 [T.38] Annex D describes system level

� � requirements and procedures for internet aware facsimile

� � implementations and internet aware facsimile gateways conforming to

� � ITU-T T.38 to establish calls with other ITU-T T.38 implementations

� � using the procedures defined in IETF RFC 2543 [SIP-99] and IETF RFC

� � 2327 [SDP].

� � Note that ITU-T T.38 Recommendation T.38 (04/02) [T.38] is an

� � aggregation of the original ITU-T Recommendation T.38 (06/98) [T.38-

� � 98] and all of the subsequent Amendments and Corrigendum including

� � [T.38D-00].� While [T.38] and [T.38D-00] describe SIP procedures per

� � [SIP-99], the procedures can also be applied to the revised Session

� � Initiation Protocol specification [SIP].

3.1� image/t38 Usage

� � Annex D of [T.38] describes that the ...