7.0 General

23.2923GPPIP Multimedia Subsystem (IMS) centralized servicesRelease 17Stage 2TS

This clause details the procedures and flows for network based ICS and UE based ICS.

In the flows that pertain to I1 it is assumed that:

– both the ICS UE and SCC AS support, and are configured to use I1; and

– transport of I1 signalling is supported by the MSC Server.