Content for TR 22.973 Word version: 18.0.1
2 References
3 Definitions, symbols and abbreviations
4 Service description
5 Service requirements
6 Quality of Service (QoS)
7 Interworking considerations
8 Supplementary services
9 Conclusion
$ Change history
2 References p. 6
3 Definitions, symbols and abbreviations p. 6
3.1 Definitions p. 6
3.2 Abbreviations p. 7
4 Service description p. 7
4.1 General service characteristics p. 7
4.2 Default media handling capabilities of the IMS Multimedia Telephony service p. 7
5 Service requirements p. 8
6 Quality of Service (QoS) p. 8
7 Interworking considerations p. 8
8 Supplementary services p. 8
8.1 Background p. 8
8.1.1 General considerations on supplementary services in IMS p. 8
8.1.2 IMS services p. 8
8.1.3 Supplementary services p. 8
8.1.4 'Building blocks' of supplementary services p. 9
8.1.5 Service consistency with CS supplementary services p. 9
8.2 Comparisons between CS supplementary services and existing IMS capabilities p. 10
8.2.1 Line Identification services p. 10
8.2.2 Call Forwarding p. 12
8.2.3 Call Waiting and Call Hold p. 13
8.2.3.1 Call Waiting p. 13
8.2.3.2 Call Hold p. 13
8.2.4 Call Barring p. 13
8.3 Analysis of TISPAN Multimedia Telephony supplementary services p. 14
8.3.1 Analysis result p. 18
8.3.1.1 Originating Identification Presentation (OIP) p. 18
8.3.1.2 Originating Identification Restriction (OIR) p. 18
8.3.1.3 Terminating Identification Presentation (TIP) p. 18
8.3.1.4 Terminating Identification Restriction (TIR) p. 18
8.3.1.5 Communication Diversion (CDIV) p. 18
8.3.1.6 Communication Hold (HOLD) p. 18
8.3.1.7 Communication Barring (CB) p. 18
8.3.1.8 Message Waiting Indication (MWI) p. 19
8.3.1.9 Conference (CONF) p. 19
8.3.1.10 Explicit Communication Transfer (ECT) p. 19
8.4 Potential supplementary service not described by TISPAN p. 19
9 Conclusion p. 20
$ Change history p. 21
