TR 23.841
Presence service architecture
V6.0.0 (Wzip)
2002/07 28 p.
- Rapporteur:
- Mr. Bertenyi, Balazs
Nokia Networks
full Table of Contents for TR 23.841 Word version: 6.0.0
1 Scope p. 5
The present document describes the architectural solution and functionalities required for the Presence Service.
2 References p. 5
3 Definitions and abbreviations p. 6
3.1 Definitions p. 6
3.2 Abbreviations p. 6
4 Reference Architecture p. 6
4.1 Reference points p. 7
4.1.1 Reference point Presence User Agent - Presence Server (Peu) p. 7
4.1.2 Reference point Network Agent - Presence Server (Pen) p. 7
4.1.3 Reference point External Agent - Presence Server (Pex) p. 7
4.1.4 Reference point Watcher applications - Presence Server (Pw) p. 7
4.1.5 Reference point HSS/HLR - Network agent (Ph) p. 7
4.1.6 Reference point S-CSCF - Network agent (Pi) p. 7
4.1.7 Reference point Presentity Presence Proxy - HSS (Px) p. 8
4.1.8 Reference point Network Agent - GMLC (Pl) p. 8
4.1.9 Reference point Network Agent - SGSN (Pg) p. 8
4.1.10 Reference point Network Agent - MSC/MSC Server (Pc) p. 8
4.1.11 Reference point Network Agent - GGSN (Pk) p. 8
4.2 Support of OSA Presence Service Capability Server in the Presence Architecture p. 8
5 Functional Description of Network Elements p. 9
5.1 Presence Server p. 9
5.2 Watcher and Presentity Presence Proxy p. 10
5.3 External Agent p. 10
5.4 Presence User Agent p. 11
5.5 Network Agent p. 12
5.6 Presence Server and Watcher application located in an IMS network p. 12
5.6.1 Watcher application in the IMS p. 13
5.6.2 Watcher Presence Proxy in the IMS p. 13
5.6.3 Presence Server in the IMS p. 14
5.6.4 Presentity Presence Proxy in the IMS p. 14
5.7 Presence Server located in the IMS, Watcher application located in the external Internet p. 14
5.8 Presence Server located in the external Internet, Watcher application located in the IMS p. 15
6 Presence attributes p. 15
6.1 Presence Attributes p. 15
6.1.1 3GPP Subscriber Presence Attributes and Values p. 15
6.1.2 Presence Structure to Support Multiple Values for Attributes p. 16
6.2 Presence Information Model p. 17
7 Access rules p. 19
8 Information flows p. 20
8.1 Detailed information flows p. 21
8.1.1 Overview of flows used p. 21
8.1.2 Flows demonstrating how watchers subscribe to presence event notification p. 22
8.1.3 Flows demonstrating how presentities update Presence Information p. 23
8.1.3.1 Updating presence information by terminals without support of the Peu reference point p. 23
8.1.3.2 Notification process of the Presence Server within IMS p. 24
8.1.3.3 CS/PS Notification process of the Presence Server p. 25
8.1.4 Presence Server notifying watcher of updates to presence information p. 26
8.1.5 Presence User Agent subscribing to watcher list and receiving notification of a new watcher subscription p. 27
$ Change history p. 28
