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TR 29.847
Conferencing based on SIP, SDP, and other protocols;
Functional models, information flows and protocol details

3GPP‑Page   ToC  
V6.0.0 (Wzip)  2004/06  208 p.
Mr. Mayer, Georg
HuaWei Technologies Co., Ltd

full Table of Contents for  TR 29.847  Word version:  6.0.0

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1  Scopep. 10

The present document is a temporary container for the functional models, flows and protocol details for the conferencing service within the IP Multimedia Core Network subsystem (IMS) based on the Session Initiation Protocol (SIP), SIP Events, the Session Description Protocol (SDP) , the Conference Policy Control Protocol (CPCP) and other protocols. The document covers also instant messaging conferences. The contents of this report when stable will be moved into the Technical Specification TS 23.218, TS 24.228 and TS 24.229.
Where possible the present document specifies the requirements for this protocol by reference to specifications produced by the IETF within the scope of SIP, SIP Events, SDP and other protocols. Where this is not possible, extensions to SIP are defined within the present document. The document has therefore been structured in order to allow both forms of specification.
The present document includes information applicable to network operators, service providers and manufacturers.

2  Referencesp. 10

3  Definitions, symbols and abbreviationsp. 12

4  Conference service overviewp. 14

5  Protocol using SIP and SIP events for conferencingp. 14

5.1  Introductionp. 14

5.2  Functional entitiesp. 14

5.3  Rolep. 15

5.3.1  Conference Participantp. 15

5.3.2  Conference focusp. 19

5.3.3  Conference notification servicep. 25

6  Protocol using SDP for conferencingp. 25

7  Protocol for conference policy control at the Ut reference pointp. 27

8  Protocol for floor control for conferencing at the Ut reference pointp. 30

9  Identified material for 3GPP documents other than 3GPP TS 24.147p. 31

A  Example signalling flows of conferencing operationp. 33

A.1  Scope of signalling flowsp. 33

A.2  Introductionp. 33

A.3  Flows demonstrating the creation of a conferencep. 34

A.4  Flows demonstrating a user joining a conferencep. 83

A.5  Flows demonstrating a user subscribing to the conference event packagep. 192

A.6  Flows demonstrating a user leaving a conferencep. 198

A.7  Flows demonstrating conference terminationp. 212

A.8  Flows demonstrating usage of hold and resume during conferencesp. 213

B  Bibliographyp. 213

$  Change historyp. 215

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