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High-Level Requirements for Tightly Coupled SIP Conferencing (RFC4245)

IP.com Disclosure Number: IPCOM000131960D
Original Publication Date: 2005-Nov-01
Included in the Prior Art Database: 2005-Nov-24
Document File: 13 page(s) / 25K

Publishing Venue

Internet Society Requests For Comment (RFCs)

Related People

O. Levin: AUTHOR [+2]

Abstract

This document examines a wide range of conferencing requirements for tightly coupled SIP conferences. Separate documents will map the requirements to existing protocol primitives, define new protocol extensions, and introduce new protocols as needed. Together, these documents will provide a guide for building interoperable SIP conferencing applications.

This text was extracted from an ASCII text file.
This is the abbreviated version, containing approximately 11% of the total text.

Network Working Group                                           O. Levin
Request for Comments: 4245                         Microsoft Corporation
Category: Informational                                          R. Even
                                                                 Polycom
                                                           November 2005


      High-Level Requirements for Tightly Coupled SIP Conferencing

Status of This Memo

   This memo provides information for the Internet community.  It does
   not specify an Internet standard of any kind.  Distribution of this
   memo is unlimited.

Copyright Notice

   Copyright (C) The Internet Society (2005).

Abstract

   This document examines a wide range of conferencing requirements for
   tightly coupled SIP conferences.  Separate documents will map the
   requirements to existing protocol primitives, define new protocol
   extensions, and introduce new protocols as needed.  Together, these
   documents will provide a guide for building interoperable SIP
   conferencing applications.

Table of Contents

   1. Introduction ....................................................2
   2. An Overview .....................................................2
   3. High-Level Requirements .........................................3
      3.1. Discovery Phase ............................................3
      3.2. Conference Creation ........................................4
      3.3. Conference Termination .....................................4
      3.4. Participants' Manipulations ................................4
         3.4.1. Participation of a Conference-Unaware User Agent ......5
         3.4.2. Dial-Out Scenarios ....................................5
         3.4.3. Dial-In Scenarios .....................................5
         3.4.4. Third-Party Invitation to a Conference ................6
         3.4.5. Participants' Removal .................................6
         3.4.6. Participants' Privacy .................................6
      3.5. Conference State Information ...............................7
         3.5.1. Description ...........................................7
         3.5.2. Dissemination of Changes ..............................7
         3.5.3. On-demand Information Dissemination ...................8
      3.6. Focus Role Migration .......................................8

Levin & Even                 Informational                      [Page 1]
RFC 4245               Conferencing Requirements           November 2005


      3.7. Side-bar Co...