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No. 표준번호 표준명 제/개정일 ▼
14527 TTAT.3G-22.135V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Multicall; Service description; Stage 1(Release 19) 2026-02-02
14526 TTAT.3G-22.140V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Multimedia Messaging Service (MMS); Stage 1(Release 19) 2026-02-02
14525 TTAT.3G-22.141V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Presence service; Stage 1(Release 19) 2026-02-02
14524 TTAT.3G-22.142V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Value Added Services (VAS) for Short Message Service (SMS) requirements(Release 19) 2026-02-02
14523 TTAT.3G-22.146V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Multimedia Broadcast/Multicast Service (MBMS); Stage 1(Release 19) 2026-02-02
14522 TTAT.3G-22.173V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1(Release 19) 2026-02-02
14521 TTAT.3G-22.173V20.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1(Release 20) 2026-02-02
14520 TTAT.3G-22.174V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Push Service; Service aspects; Stage 1(Release 19) 2026-02-02
14519 TTAT.3G-22.182V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Customized Alerting Tones (CAT) requirements; Stage 1(Release 19) 2026-02-02
14518 TTAT.3G-22.183V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Customized Ringing Signal (CRS) requirements; Stage 1(Release 19) 2026-02-02