5 Service Requirements
22.1733GPPIP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary servicesRelease 17Stage 1TS
General service requirements as specified for IMS services in [4] apply.
22.1733GPPIP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary servicesRelease 17Stage 1TS
General service requirements as specified for IMS services in [4] apply.