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33275 TTAT.3G-24.337V17.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) inter-UE transfer; Stage 3(Release 17) 2025-05-02
33274 TTAT.3G-24.337V18.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) inter-UE transfer; Stage 3(Release 18) 2025-05-02
33273 TTAT.3G-24.368V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Non-Access Stratum (NAS) configuration Management Object (MO)(Release 19) 2025-05-02
33272 TTAT.3G-24.379V13.19.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 13) 2025-05-02
33271 TTAT.3G-24.379V14.16.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 14) 2025-05-02
33270 TTAT.3G-24.379V15.16.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 15) 2025-05-02
33269 TTAT.3G-24.379V16.14.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 16) 2025-05-02
33268 TTAT.3G-24.379V17.14.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 17) 2025-05-02
33267 TTAT.3G-24.379V18.9.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 18) 2025-05-02
33266 TTAT.3G-24.379V19.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Mission Critical Push To Talk (MCPTT) call control; Protocol specification(Release 19) 2025-05-02