Content for TR 22.983 Word version: 18.0.1
2 References
3 Definitions and abbreviations
4 Definition of Service Sets in different domains
5 Service alignment between domains
6 Use cases
7 Migration scenarios
8 Conclusions
$ Change history
2 References p. 5
3 Definitions and abbreviations p. 5
3.1 Definitions p. 5
3.2 Abbreviations p. 5
4 Definition of Service Sets in different domains p. 6
4.1 CS/PS (non-IMS) domain p. 6
4.1.1 CS Services (teleservices & bearer services) p. 6
4.1.2 PS main services p. 6
4.1.3 Supplementary services p. 6
4.1.4 Other services p. 7
4.2 IMS domain p. 7
4.3 TS & BS relationship between domains p. 8
4.4 SS and other services relationship between domains p. 8
5 Service alignment between domains p. 10
6 Use cases p. 11
6.1 Use case 1, MSC server control of all accesses p. 11
6.2 Use case 2, migrating to IMS p. 11
6.3 Use case 3, after migration to IMS p. 11
6.4 Use case 4, inter-working between IMS & CS based networks p. 12
6.5 Use case 5, Roaming p. 12
7 Migration scenarios p. 12
7.1 Background p. 12
7.2 Abrupt switch over to centralized IMS call and service control p. 12
7.3 Smooth phase out of CS p. 13
8 Conclusions p. 13
$ Change history p. 15
