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Common Presence and Instant Messaging (CPIM): Message Format (RFC3862)

IP.com Disclosure Number: IPCOM000030560D
Original Publication Date: 2004-Aug-01
Included in the Prior Art Database: 2004-Aug-17
Document File: 31 page(s) / 56K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

G. Klyne: AUTHOR [+2]

Abstract

This memo defines the MIME content type 'Message/CPIM', a message format for protocols that conform to the Common Profile for Instant Messaging (CPIM) specification.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 5% of the total text.

Network Working Group                                           G. Klyne

Request for Comments: 3862                                  Nine by Nine

Category: Standards Track                                      D. Atkins

                                                        IHTFP Consulting

                                                             August 2004

      Common Presence and Instant Messaging (CPIM): Message Format

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 (2004).

Abstract

   This memo defines the MIME content type 'Message/CPIM', a message

   format for protocols that conform to the Common Profile for Instant

   Messaging (CPIM) specification.

Klyne & Atkins              Standards Track                     [Page 1]

RFC 3862                  CPIM: Message Format               August 2004

Table of Contents

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

       1.1.  Motivation . . . . . . . . . . . . . . . . . . . . . . .  3

       1.2.  Background . . . . . . . . . . . . . . . . . . . . . . .  3

       1.3.  Goals  . . . . . . . . . . . . . . . . . . . . . . . . .  4

       1.4.  Terminology and Conventions  . . . . . . . . . . . . . .  5

   2.  Overall Message Structure  . . . . . . . . . . . . . . . . . .  5

       2.1.  Message/CPIM MIME Headers  . . . . . . . . . . . . . . .  6

       2.2.  Message Headers  . . . . . . . . . . . . . . . . . . . .  6

       2.3.  Character Escape Mechanism . . . . . . . . . . . . . . .  8

             2.3.1.  Escape Mechanism Usage . . . . . . . . . . . . .  8

       2.4.  Message Content  . . . . . . . . . . . . . . . . . . . .  9

   3.  Message Header Syntax  . . . . . . . . . . . . . . . . . . . . 10

       3.1.  Header Names . . . . . . . . . . . . . . . . . . . . . . 10

       3.2.  Header Value . . . . . . . . . . . . . . . . . . . . . . 10

       3.3.  Language tagging . . . . . . . . . . . . . . . . . . . . 10

       3.4.  Namespaces for Header Name Extensibility . . . . . . . . 11

       3.5.  Mandatory-to-Recognize Features  . . . . . . . . . . . . 13

       3.6.  Collected Message Header Syntax  . . . . . . . . . . . . 14

   4. ...