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33305 TTAT.3G-24.080V18.6.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mobile radio interface layer 3 supplementary services specification; Formats and coding(Release 18) 2025-05-02
33304 TTAT.3G-24.080V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mobile radio interface layer 3 supplementary services specification; Formats and coding(Release 19) 2025-05-02
33303 TTAT.3G-24.186V18.3.1 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IMS Data Channel applications; Protocol specification(Release 18) 2025-05-02
33302 TTAT.3G-24.186V19.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IMS Data Channel applications; Protocol specification(Release 19) 2025-05-02
33301 TTAT.3G-24.193V18.8.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;5G System;Access Traffic Steering, Switching and Splitting (ATSSS); Stage 3(Release 18) 2025-05-02
33300 TTAT.3G-24.193V19.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;5G System;Access Traffic Steering, Switching and Splitting (ATSSS); Stage 3(Release 19) 2025-05-02
33299 TTAT.3G-24.229V11.31.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3(Release 11) 2025-05-02
33298 TTAT.3G-24.229V12.27.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3(Release 12) 2025-05-02
33297 TTAT.3G-24.229V13.23.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3(Release 13) 2025-05-02
33296 TTAT.3G-24.229V14.21.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3(Release 14) 2025-05-02