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31062 TTAT.3G-22.083V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Call Waiting (CW) and Call Holding (HOLD); Supplementary Services; Stage 1(Release 18) 2024-08-12
31061 TTAT.3G-22.084V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;MultiParty (MPTY) supplementary service; Stage 1(Release 18) 2024-08-12
31060 TTAT.3G-22.085V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Closed User Group (CUG) supplementary services; Stage 1(Release 18) 2024-08-12
31059 TTAT.3G-22.086V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Advice of Charge (AoC) supplementary services; Stage 1(Release 18) 2024-08-12
31058 TTAT.3G-22.087V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;User-to-User Signalling (UUS); Service description; Stage 1(Release 18) 2024-08-12
31057 TTAT.3G-22.088V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Call Barring (CB) supplementary services; Stage 1(Release 18) 2024-08-12
31056 TTAT.3G-22.090V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Unstructured Supplementary Service Data (USSD); Stage 1(Release 18) 2024-08-12
31055 TTAT.3G-22.091V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Explicit Call Transfer (ECT) supplementary service; Stage 1(Release 18) 2024-08-12
31054 TTAT.3G-22.093V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Completion of Calls to Busy Subscriber (CCBS); Service description, Stage 1(Release 18) 2024-08-12
31053 TTAT.3G-22.094V18.0.1 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Follow Me service description; Stage 1(Release 18) 2024-08-12