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2240 TTAT.3G-23.216V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Single Radio Voice Call Continuity (SRVCC); Stage 2(Release 19) 2026-02-02
2239 TTAT.3G-23.218V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia (IM) session handling; IM call model; Stage 2(Release 19) 2026-02-02
2238 TTAT.3G-23.221V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Architectural requirements(Release 19) 2026-02-02
2237 TTAT.3G-23.222V19.7.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Common API Framework for 3GPP Northbound APIs(Release 19) 2026-02-02
2236 TTAT.3G-23.226V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Global text telephony (GTT); Stage 2(Release 19) 2026-02-02
2235 TTAT.3G-23.228V19.4.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Subsystem (IMS); Stage 2(Release 19) 2026-02-02
2234 TTAT.3G-23.231V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;SIP-I based circuit-switched core network; Stage 2(Release 19) 2026-02-02
2233 TTAT.3G-23.236V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;Intra-domain connection of Radio Access Network (RAN) nodes to multiple Core Network (CN) nodes(Release 19) 2026-02-02
2232 TTAT.3G-23.237V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;IP Multimedia Subsystem (IMS) Service Continuity; Stage 2(Release 19) 2026-02-02
2231 TTAT.3G-23.240V19.0.0 3rd Generation Partnership Project;Technical Specification Group Services and System Aspects;3GPP Generic User Profile (GUP); Architecture (Stage 2)(Release 19) 2026-02-02