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3 specifications found, displaying 1 to 3
Specification NumberTypeTitleStatusPrimary Responsible Group 
22.030TSMan-Machine Interface (MMI) of the User Equipment (UE)Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.083TSCall Waiting (CW) and Call Holding (HOLD); Supplementary Services; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G
22.087TSUser-to-User Signalling (UUS); Service description; Stage 1Under change control S1
See details Internal Common IMS 2G 3G LTE 5G