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No. 표준종류 표준번호 표준제목 제개정일 정렬방향
21575 정보통신단체표준(TTAS) TTAT.3G-22.280V17.7.0 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Mission Critical Services Common Requirements (MCCoRe); Stage 1 2022-01-27
21574 정보통신단체표준(TTAS) TTAT.3G-22.280V18.0.0 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Mission Critical Services Common Requirements (MCCoRe); Stage 1 2022-01-27
21573 정보통신단체표준(TTAS) TTAT.3G-22.989V18.2.0 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Study on Future Railway Mobile Communication System; Stage 1 2022-01-27
21572 정보통신단체표준(TTAS) TTAT.3G-23.003V17.3.0 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Numbering, addressing and identification; 2022-01-27
21571 정보통신단체표준(TTAS) TTAT.3G-23.007V17.2.0 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Restoration procedures; 2022-01-27
21570 정보통신단체표준(TTAS) TTAT.3G-23.032V17.1.0 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; Universal Geographical Area Description (GAD) 2022-01-27
21569 정보통신단체표준(TTAS) TTAT.3G-23.041V17.2.0 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Technical realization of Cell Broadcast Service (CBS) 2022-01-27
21568 정보통신단체표준(TTAS) TTAT.3G-23.122V16.11.0 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode 2022-01-27
21567 정보통신단체표준(TTAS) TTAT.3G-23.122V17.4.0 3rd Generation Partnership Project; Technical Specification Group Core Network and Terminals; Non-Access-Stratum (NAS) functions related to Mobile Station (MS) in idle mode 2022-01-27
21566 정보통신단체표준(TTAS) TTAT.3G-23.167V17.2.0 3rd Generation Partnership Project; Technical Specification Group Services and System Aspects; IP Multimedia Subsystem (IMS) emergency sessions 2022-01-27