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A Message Summary and Message Waiting Indication Event Package for the Session Initiation Protocol (SIP) (RFC3842)

IP.com Disclosure Number: IPCOM000030837D
Original Publication Date: 2004-Aug-01
Included in the Prior Art Database: 2004-Aug-28
Document File: 20 page(s) / 37K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

R. Mahy: AUTHOR

Abstract

This document describes a Session Initiation Protocol (SIP) event package to carry message waiting status and message summaries from a messaging system to an interested User Agent.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 7% of the total text.

Network Working Group                                            R. Mahy

Request for Comments: 3842                           Cisco Systems, Inc.

Category: Standards Track                                    August 2004

   A Message Summary and Message Waiting Indication Event Package for

                 the Session Initiation Protocol (SIP)

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 document describes a Session Initiation Protocol (SIP) event

   package to carry message waiting status and message summaries from a

   messaging system to an interested User Agent.

Mahy                        Standards Track                     [Page 1]

RFC 3842                  SIP Message Waiting                August 2004

Table of Contents

   1.   Conventions  . . . . . . . . . . . . . . . . . . . . . . . .   2

   2.   Background and Appropriateness . . . . . . . . . . . . . . .   3

   3.   Event Package Formal Definition  . . . . . . . . . . . . . .   4

        3.1.  Event Package Name . . . . . . . . . . . . . . . . . .   4

        3.2.  Event Package Parameters . . . . . . . . . . . . . . .   4

        3.3.  SUBSCRIBE Bodies . . . . . . . . . . . . . . . . . . .   4

        3.4.  Subscription Duration. . . . . . . . . . . . . . . . .   4

        3.5.  NOTIFY Bodies. . . . . . . . . . . . . . . . . . . . .   4

        3.6.  Subscriber Generation of SUBSCRIBE Requests. . . . . .   6

        3.7.  Notifier Processing of SUBSCRIBE Requests. . . . . . .   6

        3.8.  Notifier Generation of NOTIFY Requests . . . . . . . .   7

        3.9.  Subscriber Processing of NOTIFY Requests . . . . . . .   7

        3.10. Handling of Forked Requests. . . . . . . . . . . . . .   7

        3.11. Rate of Notifications. . . . . . . . . . . . . . . . .   7

        3.12. State Agents and Lists . . . . . . . . . . . . . . . .   8

        3.13. Behavior of a Proxy Server . . . . . . . . . . . . . .   8

   4.   Examples of Usage  . . . . . . . . . . . . . . . . . . . . .   8

        4.1.  Example Message Flow . . . . . . . . . . . . . . . . .   8

        4.2.  Example Usage with Callee Capabilities and Caller

              Preferences. . . . . . . . . . . . . . . . . . . . . .  14

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