Interworking between the Session Initiation Protocol (SIP) and the Extensible Messaging and Presence Protocol (XMPP): Groupchat
RFC 7702

Document Type RFC - Proposed Standard (December 2015; No errata)
Last updated 2015-12-14
Replaces draft-saintandre-sip-xmpp-groupchat
Stream IETF
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Reviews
Stream WG state Submitted to IESG for Publication
Document shepherd Yana Stamcheva
Shepherd write-up Show (last changed 2015-01-26)
IESG IESG state RFC 7702 (Proposed Standard)
Consensus Boilerplate Unknown
Telechat date
Responsible AD Alissa Cooper
Send notices to (None)
IANA IANA review state Version Changed - Review Needed
IANA action state No IC
Internet Engineering Task Force (IETF)                    P. Saint-Andre
Request for Comments: 7702                                          &yet
Category: Standards Track                                      S. Ibarra
ISSN: 2070-1721                                              AG Projects
                                                               S. Loreto
                                                                Ericsson
                                                           December 2015

   Interworking between the Session Initiation Protocol (SIP) and the
      Extensible Messaging and Presence Protocol (XMPP): Groupchat

Abstract

   This document defines a bidirectional protocol mapping for the
   exchange of instant messages in the context of a multi-party chat
   session among users of the Session Initiation Protocol (SIP) and
   users of the Extensible Messaging and Presence Protocol (XMPP).
   Specifically, this document defines a mapping between the SIP-based
   Message Session Relay Protocol (MSRP) and the XMPP Multi-User Chat
   (MUC) extension.

Status of This Memo

   This is an Internet Standards Track document.

   This document is a product of the Internet Engineering Task Force
   (IETF).  It represents the consensus of the IETF community.  It has
   received public review and has been approved for publication by the
   Internet Engineering Steering Group (IESG).  Further information on
   Internet Standards is available in Section 2 of RFC 5741.

   Information about the current status of this document, any errata,
   and how to provide feedback on it may be obtained at
   http://www.rfc-editor.org/info/rfc7702.

Saint-Andre, et al.          Standards Track                    [Page 1]
RFC 7702            SIP-XMPP Interworking: Groupchat       December 2015

Copyright Notice

   Copyright (c) 2015 IETF Trust and the persons identified as the
   document authors.  All rights reserved.

   This document is subject to BCP 78 and the IETF Trust's Legal
   Provisions Relating to IETF Documents
   (http://trustee.ietf.org/license-info) in effect on the date of
   publication of this document.  Please review these documents
   carefully, as they describe your rights and restrictions with respect
   to this document.  Code Components extracted from this document must
   include Simplified BSD License text as described in Section 4.e of
   the Trust Legal Provisions and are provided without warranty as
   described in the Simplified BSD License.

Saint-Andre, et al.          Standards Track                    [Page 2]
RFC 7702            SIP-XMPP Interworking: Groupchat       December 2015

Table of Contents

   1. Introduction ....................................................4
   2. Intended Audience ...............................................4
   3. Terminology .....................................................5
   4. Architectural Assumptions .......................................5
   5. Multi-party Messaging Session from XMPP MUC to MSRP .............8
      5.1. Enter Room ................................................11
      5.2. Set Nickname ..............................................14
      5.3. Conference Subscription ...................................14
      5.4. Presence Broadcast ........................................15
      5.5. Exchange Messages .........................................19
           5.5.1. Send a Message to All Occupants ....................19
           5.5.2. Send a Private Message .............................21
      5.6. Change Nickname ...........................................22
      5.7. Invite Another User to a Room .............................23
      5.8. Exit Room .................................................25
   6. MSRP Multi-party Messaging Session to XMPP MUC .................25
      6.1. Enter Room ................................................28
      6.2. Presence Broadcast ........................................30
      6.3. Exchange Messages .........................................32
           6.3.1. Send a Message to All Occupants ....................32
           6.3.2. Send a Private Message .............................34
      6.4. Change Nickname ...........................................34
      6.5. Invite Another User to a Room .............................35
      6.6. Exit Room .................................................36
   7. Handling of Nicknames and Display Names ........................37
   8. Message Size ...................................................38
   9. Security Considerations ........................................38
   10. References ....................................................39
      10.1. Normative References .....................................39
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