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No. 표준번호 표준명 제/개정일 ▼
9593 TTAT.3G-22.083V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Call Waiting (CW) and Call Holding (HOLD); Supplementary Services; Stage 1(Release 19) 2026-02-02
9592 TTAT.3G-22.084V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;MultiParty (MPTY) supplementary service; Stage 1(Release 19) 2026-02-02
9591 TTAT.3G-22.085V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Closed User Group (CUG) supplementary services; Stage 1(Release 19) 2026-02-02
9590 TTAT.3G-22.086V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Advice of Charge (AoC) supplementary services; Stage 1(Release 19) 2026-02-02
9589 TTAT.3G-22.087V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;User-to-User Signalling (UUS); Service description; Stage 1(Release 19) 2026-02-02
9588 TTAT.3G-22.088V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Call Barring (CB) supplementary services; Stage 1(Release 19) 2026-02-02
9587 TTAT.3G-22.090V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Unstructured Supplementary Service Data (USSD); Stage 1(Release 19) 2026-02-02
9586 TTAT.3G-22.091V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Explicit Call Transfer (ECT) supplementary service; Stage 1(Release 19) 2026-02-02
9585 TTAT.3G-22.093V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Completion of Calls to Busy Subscriber (CCBS); Service description, Stage 1(Release 19) 2026-02-02
9584 TTAT.3G-22.094V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Follow Me service description; Stage 1(Release 19) 2026-02-02