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635 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
634 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
633 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
632 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
631 TTAT.3G-24.229V15.19.0 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 15) 2025-05-02
630 TTAT.3G-24.229V16.16.0 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 16) 2025-05-02
629 TTAT.3G-24.229V17.16.0 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 17) 2025-05-02
628 TTAT.3G-24.229V18.7.0 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 18) 2025-05-02
627 TTAT.3G-24.229V19.1.0 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 19) 2025-05-02
626 TTAT.3G-24.247V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Messaging service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3(Release 19) 2025-05-02