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5 specifications found, displaying 1 to 5
Specification NumberTypeTitleStatusPrimary Responsible Group 
22.101TSService aspects; Service principlesUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.115TSService aspects; Charging and billingUnder change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.173TSIP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.228TSService requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
23.380TSIMS Restoration ProceduresUnder change control C4
See details Internal Common IMS 2G 3G LTE 5G