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No. 표준번호 표준명 제/개정일 ▼
14184 TTAT.3G-24.628V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Common Basic Communication procedures using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification(Release 19) 2026-02-02
14183 TTAT.3G-24.629V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Explicit Communication Transfer (ECT) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification(Release 19) 2026-02-02
14182 TTAT.3G-24.642V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Completion of Communications to Busy Subscriber (CCBS) and Completion of Communications by No Reply (CCNR) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification(Release 19) 2026-02-02
14181 TTAT.3G-24.647V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Advice Of Charge (AOC) using IP Multimedia (IM) Core Network (CN) subsystem(Release 19) 2026-02-02
14180 TTAT.3G-24.654V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Closed User Group (CUG) using IP Multimedia (IM) Core Network (CN) subsystem, Protocol Specification(Release 19) 2026-02-02
14179 TTAT.3G-24.930V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Signalling flows for the session setup in the IP Multimedia core network Subsystem (IMS) based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3(Release 19) 2026-02-02
14178 TTAT.3G-24.969V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Business trunking; Next Generation Corporate Network (NGCN) - Next Generation Network (NGN) interfaces implementation guide(Release 19) 2026-02-02
14177 TTAT.3G-26.071V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Mandatory speech CODEC speech processing functions; AMR speech Codec; General description(Release 19) 2026-02-02
14176 TTAT.3G-26.073V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;ANSI-C code for the Adaptive Multi Rate (AMR) speech codec(Release 19) 2026-02-02
14175 TTAT.3G-26.074V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec test sequences(Release 19) 2026-02-02