5 Functional entities

24.2943GPPIP Multimedia Subsystem (IMS) Centralized Services (ICS) protocol via I1 interfaceRelease 17TS

5.1 User Equipment (UE)

To be compliant with this specification, a UE shall implement the role of ICS UE capabilities defined in subclauses  6.2.1.2,  6.2.3.2, 6.2.4.2, 6.2.5.2.1, 6.2.5.3.1,  6.4.3,  7.5.2.1.1,  7.5.2.2.1, 7.5.2.3.1, 7.5.3.2.1.1, and 7.5.3.2.2.1.

5.2 Application Server (AS)

To be compliant with this specification, a AS shall implement the role of SCC AS capabilities defined in subclauses  6.2.1.3,  6.2.3.3, 6.2.4.3, 6.2.5.2.2, 6.2.5.3.2,  6.4.4,  7.5.2.1.2,  7.5.2.2.2, 7.5.2.3.2, 7.5.3.2.1.2, and 7.5.3.2.2.2.