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1578 TTAT.3G-29.155V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Traffic steering control; Representational State Transfer (REST) over St reference point(Release 19) 2026-02-02
1577 TTAT.3G-29.165V19.1.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Inter-IMS Network to Network Interface (NNI)(Release 19) 2026-02-02
1576 TTAT.3G-29.168V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Cell Broadcast Centre interfaces with the Evolved Packet Core; Stage 3(Release 19) 2026-02-02
1575 TTAT.3G-29.171V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Location Services (LCS); LCS Application Protocol (LCS-AP) between the Mobile Management Entity (MME) and Evolved Serving Mobile Location Centre (E-SMLC); SLs interface(Release 19) 2026-02-02
1574 TTAT.3G-29.172V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Location Services (LCS); Evolved Packet Core (EPC) LCS Protocol (ELP) between the Gateway Mobile Location Centre (GMLC) and the Mobile Management Entity (MME); SLg interface(Release 19) 2026-02-02
1573 TTAT.3G-29.173V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Location Services (LCS); Diameter-based SLh interface for Control Plane LCS(Release 19) 2026-02-02
1572 TTAT.3G-29.175V18.5.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia Subsystem (IMS) Application Server (AS) Services Stage 3(Release 18) 2026-02-02
1571 TTAT.3G-29.175V19.3.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia Subsystem (IMS) Application Server (AS) Services Stage 3(Release 19) 2026-02-02
1570 TTAT.3G-29.176V19.3.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;IP Multimedia Subsystems (IMS); Media Function (MF) Services; Stage 3(Release 19) 2026-02-02
1569 TTAT.3G-29.201V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Representational State Transfer (REST) reference point between Application Function (AF) and Protocol Converter (PC)(Release 19) 2026-02-02
1568 TTAT.3G-29.202V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Signalling System No. 7 (SS7) signalling transport in core network; Stage 3(Release 19) 2026-02-02
1567 TTAT.3G-29.204V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Signalling System No. 7 (SS7) security gateway; Architecture, functional description and protocol details(Release 19) 2026-02-02
1566 TTAT.3G-29.205V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Application of Q.1900 series to bearer independent Circuit Switched (CS) core network architecture; Stage 3(Release 19) 2026-02-02
1565 TTAT.3G-29.212V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and Charging Control (PCC); Reference points(Release 19) 2026-02-02
1564 TTAT.3G-29.213V19.2.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping(Release 19) 2026-02-02
1563 TTAT.3G-29.214V19.2.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and charging control over Rx reference point(Release 19) 2026-02-02
1562 TTAT.3G-29.215V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and Charging Control (PCC) over S9 reference point; Stage 3(Release 19) 2026-02-02
1561 TTAT.3G-29.217V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and Charging Control (PCC); Congestion reporting over Np reference point(Release 19) 2026-02-02
1560 TTAT.3G-29.219V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Policy and charging control: Spending limit reporting over Sy reference point(Release 19) 2026-02-02
1559 TTAT.3G-29.222V19.4.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Common API Framework for 3GPP Northbound APIs(Release 19) 2026-02-02
1558 TTAT.3G-29.229V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Cx and Dx interfaces based on the Diameter protocol; Protocol details(Release 19) 2026-02-02
1557 TTAT.3G-29.232V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Media Gateway Controller (MGC) - Media Gateway (MGW) interface; Stage 3(Release 19) 2026-02-02
1556 TTAT.3G-29.235V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Interworking between SIP-I based circuit-switched core network and other networks(Release 19) 2026-02-02
1555 TTAT.3G-29.238V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Interconnection Border Control Functions (IBCF) - Transition Gateway (TrGW) interface, Ix interface; Stage 3(Release 19) 2026-02-02
1554 TTAT.3G-29.240V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;3GPP Generic User Profile (GUP); Stage 3; Network(Release 19) 2026-02-02
1553 TTAT.3G-29.244V19.3.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Interface between the Control Plane and the User Plane nodes(Release 19) 2026-02-02
1552 TTAT.3G-29.250V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Nu reference point between SCEF and PFDF for sponsored data connectivity(Release 19) 2026-02-02
1551 TTAT.3G-29.251V19.0.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Gw and Gwn reference point for sponsored data connectivity(Release 19) 2026-02-02
1550 TTAT.3G-29.255V19.2.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Uncrewed Aerial System Service Supplier (USS) Services; Stage 3(Release 19) 2026-02-02
1549 TTAT.3G-29.256V19.3.0 3rd Generation Partnership Project;Technical Specification Group Core Network and Terminals;Uncrewed Aerial Systems Network Function (UAS-NF); Aerial Management Services; Stage 3(Release 19) 2026-02-02