The 5G Standard

3GPP Specification series

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TS 29.002 Mobile Application Part (MAP) specification  
TS 29.004 Interworking between the Public Land Mobile Network (PLMN) and the Circuit Switched Public Data Network (CSPDN) SPECIFICATION WITHDRAWN
TS 29.005 Interworking between the Public Land Mobile Network (PLMN) and the Packet Switched Public Data Network (PSPDN) for Packet Assembly/Disassembly (PAD) facility access SPECIFICATION WITHDRAWN
TS 29.006 Interworking between a PLMN and the ISDN or PSTN for support of Packet Switched data transmission services SPECIFICATION WITHDRAWN
TS 29.007 General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN)  
TS 29.010 Information element mapping between Mobile Station - Base Station System (MS - BSS) and Base Station System - Mobile-services Switching Centre (BSS - MSC); Signalling Procedures and the Mobile Application Part (MAP)  
TS 29.011 Signalling Interworking for supplementary services  
TS 29.013 Signalling interworking between ISDN supplementary services; Application Service Element (ASE) and Mobile Application Part (MAP) protocols  
TS 29.016 General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface network service specification  
TS 29.018 General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification  
TS 29.060 General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface  
TS 29.061 Interworking between the Public Land Mobile Network (PLMN) supporting packet based services and Packet Data Networks (PDN)  
TS 29.078 Customised Applications for Mobile network Enhanced Logic (CAMEL) Phase X; CAMEL Application Part (CAP) specification  
TS 29.079 Optimal media routeing within the IP Multimedia Subsystem (IMS); Stage 3  
TS 29.108 Application of the Radio Access Network Application Part (RANAP) on the E-interface  
TS 29.109 Generic Authentication Architecture (GAA); Zh and Zn Interfaces based on the Diameter protocol; Stage 3  
TS 29.116 Representational state transfer over xMB reference point between content provider and BM-SC  
TS 29.118 Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs interface specification  
TS 29.119 GPRS Tunnelling Protocol (GTP) specification for Gateway Location Register (GLR)  
TS 29.120 Mobile Application Part (MAP) specification for Gateway Location Register (GLR)  
TS 29.122 T8 reference point for Northbound APIs  
TS 29.125 Policy and Charging Control (PCC) over S9 reference point SPECIFICATION WITHDRAWN
TS 29.128 Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications  
TS 29.139 3GPP system - fixed broadband access network interworking; Home (e)Node B - security gateway interface  
TS 29.140 Multimedia Messaging Service (MMS); MM10 interface based on Diameter protocol; Stage 3  
TS 29.153 Service capability exposure functionality over Ns reference point  
TS 29.154 Service capability exposure functionality over Nt reference point  
TS 29.155 Traffic steering control; Representational State Transfer (REST) over St reference point  
TS 29.161 Interworking between the Public Land Mobile Network (PLMN) supporting packet based services with Wireless Local Area Network (WLAN) access and Packet data Networks (PDN)  
TS 29.162 Interworking between the IM CN subsystem and IP networks  
TS 29.163 Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks  
TS 29.164 Interworking between the 3GPP CS domain with BICC or ISUP as signalling protocol and external SIP-I networks  
TS 29.165 Inter-IMS Network to Network Interface (NNI)  
TS 29.168 Cell Broadcast Centre interfaces with the Evolved Packet Core; Stage 3  
TS 29.171 Location Services (LCS); LCS Application Protocol (LCS-AP) between the Mobile Management Entity (MME) and Evolved Serving Mobile Location Centre (E-SMLC); SLs interface  
TS 29.172 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  
TS 29.173 Location Services (LCS); Diameter-based SLh interface for Control Plane LCS  
TS 29.175 IP Multimedia Subsystem (IMS) Application Server (AS) Services Stage 3  
TS 29.176 IP Multimedia Subsystems (IMS); Media Function (MF) Services; Stage 3 (Release 18)  
TS 29.198 Open Service Architecture (OSA) Application Programming Interface (API) - Part 1  
TS 29.198-01 Open Service Access (OSA) Application Programming Interface (API); Part 1: Overview  
TS 29.198-02 Open Service Access (OSA) Application Programming Interface (API); Part 2: Common data definitions  
TS 29.198-03 Open Service Access (OSA) Application Programming Interface (API); Part 3: Framework  
TS 29.198-04 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control Service Capability Feature (SCF)  
TS 29.198-04-1 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control; Subpart 1: Call control common definitions  
TS 29.198-04-2 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control; Subpart 2: Generic call control Service Capability Feature (SCF)  
TS 29.198-04-3 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control; Subpart 3: Multi-party call control Service Capability Feature (SCF)  
TS 29.198-04-4 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control; Subpart 4: Multimedia call control Service Capability Feature (SCF)  
TS 29.198-04-5 Open Service Access (OSA) Application Programming Interface (API); Part 4: Call control; Subpart 5: Conference call control Service Capability Feature (SCF)  
TS 29.198-05 Open Service Access (OSA) Application Programming Interface (API); Part 5: User interaction Service Capability Feature (SCF)  
TS 29.198-06 Open Service Access (OSA) Application Programming Interface (API); Part 6: Mobility Service Capability Feature (SCF)  
TS 29.198-07 Open Service Access (OSA) Application Programming Interface (API); Part 7: Terminal capabilities Service Capability Feature (SCF)  
TS 29.198-08 Open Service Access (OSA) Application Programming Interface (API); Part 8: Data session control Service Capability Feature (SCF)  
TS 29.198-09 Open Service Access (OSA) Application Programming Interface (API); Part 9: Generic messaging SCF SPECIFICATION WITHDRAWN
TS 29.198-10 Open Service Access (OSA) Application Programming Interface (API); Part 10: Connectivity manager Service Capability Feature (SCF)  
TS 29.198-11 Open Service Access (OSA) Application Programming Interface (API); Part 11: Account management Service Capability Feature (SCF)  
TS 29.198-12 Open Service Access (OSA) Application Programming Interface (API); Part 12: Charging Service Capability Feature (SCF)  
TS 29.198-13 Open Service Access (OSA) Application Programming Interface (API); Part 13: Policy management Service Capability Feature (SCF)  
TS 29.198-14 Open Service Access (OSA) Application Programming Interface (API); Part 14: Presence and Availability Management (PAM) Service Capability Feature (SCF)  
TS 29.198-15 Open Service Access (OSA) Application Programming Interface (API); Part 15: Multi-media Messaging (MM) Service Capability Feature (SCF)  
TS 29.198-16 Open Service Access (OSA) Application Programming Interface (API); Part 16: Service broker Service Capability Feature (SCF)  
TS 29.199 Open Service Access (OSA); Web Services Application Programming Interface (API) for OSA; Parlay X services SPECIFICATION WITHDRAWN
TS 29.199-01 Open Service Access (OSA); Parlay X web services; Part 1: Common  
TS 29.199-02 Open Service Access (OSA); Parlay X web services; Part 2: Third party call  
TS 29.199-03 Open Service Access (OSA); Parlay X web services; Part 3: Call notification  
TS 29.199-04 Open Service Access (OSA); Parlay X web services; Part 4: Short messaging  
TS 29.199-05 Open Service Access (OSA); Parlay X web services; Part 5: Multimedia messaging  
TS 29.199-06 Open Service Access (OSA); Parlay X web services; Part 6: Payment  
TS 29.199-07 Open Service Access (OSA); Parlay X web services; Part 7: Account management  
TS 29.199-08 Open Service Access (OSA); Parlay X web services; Part 8: Terminal status  
TS 29.199-09 Open Service Access (OSA); Parlay X web services; Part 9: Terminal location  
TS 29.199-10 Open Service Access (OSA); Parlay X web services; Part 10: Call handling  
TS 29.199-11 Open Service Access (OSA); Parlay X web services; Part 11: Audio call  
TS 29.199-12 Open Service Access (OSA); Parlay X web services; Part 12: Multimedia conference  
TS 29.199-13 Open Service Access (OSA); Parlay X web services; Part 13: Address list management  
TS 29.199-14 Open Service Access (OSA); Parlay X web services; Part 14: Presence  
TS 29.199-15 Open Service Access (OSA); Parlay X web services; Part 15: Message broadcast  
TS 29.199-16 Open Service Access (OSA); Parlay X web services; Part 16: Geocoding  
TS 29.199-17 Open Service Access (OSA); Parlay X web services; Part 17: Application-driven Quality of Service (QoS)  
TS 29.199-18 Open Service Access (OSA); Parlay X web services; Part 18: Device capabilities and configuration  
TS 29.199-19 Open Service Access (OSA); Parlay X web services; Part 19: Multimedia streaming control  
TS 29.199-20 Open Service Access (OSA); Parlay X web services; Part 20: Multimedia multicast session management  
TS 29.199-21 Open Service Access (OSA); Parlay X web services; Part 21: Content management  
TS 29.199-22 Open Service Access (OSA); Parlay X web services; Part 22: Policy  
TS 29.200 Signalling System No. 7; Mobile Application Part (MAP); Security signalling flows for the Ze interface SPECIFICATION WITHDRAWN
TS 29.201 Representational State Transfer (REST) reference point between Application Function (AF) and Protocol Converter (PC)  
TS 29.202 Signalling System No. 7 (SS7) signalling transport in core network; Stage 3  
TS 29.203 Feasibility study on SS7 signalling transportation in the core network with SCCP-User Adaptation (SUA) SPECIFICATION WITHDRAWN
TS 29.204 Signalling System No. 7 (SS7) security gateway; Architecture, functional description and protocol details  
TS 29.205 Application of Q.1900 series to bearer independent Circuit Switched (CS) core network architecture; Stage 3  
TS 29.207 Policy control over Go interface  
TS 29.208 End-to-end Quality of Service (QoS) signalling flows  
TS 29.209 Policy control over Gq interface  
TS 29.210 Charging rule provisioning over Gx interface  
TS 29.211 Rx Interface and Rx/Gx signalling flows  
TS 29.212 Policy and Charging Control (PCC); Reference points  
TS 29.213 Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping  
TS 29.214 Policy and charging control over Rx reference point  
TS 29.215 Policy and Charging Control (PCC) over S9 reference point; Stage 3  
TS 29.216 3GPP EPS Sv interface (MME to MSC) for SRVCC SPECIFICATION WITHDRAWN
TS 29.217 Policy and Charging Control (PCC); Congestion reporting over Np reference point  
TS 29.218 Diameter based protocols for SMS service over SGs SPECIFICATION WITHDRAWN
TS 29.219 Policy and charging control: Spending limit reporting over Sy reference point  
TS 29.222 Common API Framework for 3GPP Northbound APIs  
TS 29.226 reserved SPECIFICATION WITHDRAWN
TS 29.228 IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents  
TS 29.229 Cx and Dx interfaces based on the Diameter protocol; Protocol details  
TS 29.230 Diameter applications; 3GPP specific codes and identifiers  
TS 29.231 Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3  
TS 29.232 Media Gateway Controller (MGC) - Media Gateway (MGW) interface; Stage 3  
TS 29.234 3GPP system to Wireless Local Area Network (WLAN) interworking; Stage 3  
TS 29.235 Interworking between SIP-I based circuit-switched core network and other networks  
TS 29.238 Interconnection Border Control Functions (IBCF) - Transition Gateway (TrGW) interface, Ix interface; Stage 3  
TS 29.240 3GPP Generic User Profile (GUP); Stage 3; Network  
TS 29.244 Interface between the Control Plane and the User Plane nodes  
TS 29.250 Nu reference point between SCEF and PFDF for sponsored data connectivity  
TS 29.251 Gw and Gwn reference point for sponsored data connectivity  
TS 29.255 Uncrewed Aerial System Service Supplier (USS) Services; Stage 3  
TS 29.256 Uncrewed Aerial Systems Network Function (UAS-NF); Aerial Management Services; Stage 3  
TS 29.257 Application layer support for Uncrewed Aerial System (UAS); UAS Application Enabler (UAE) Server Services; Stage 3  
TS 29.272 Evolved Packet System (EPS); Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) related interfaces based on Diameter protocol  
TS 29.273 Evolved Packet System (EPS); 3GPP EPS AAA interfaces  
TS 29.274 3GPP Evolved Packet System (EPS); Evolved General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTPv2-C); Stage 3  
TS 29.275 Proxy Mobile IPv6 (PMIPv6) based Mobility and Tunnelling protocols; Stage 3  
TS 29.276 3GPP Evolved Packet System (EPS); Optimized handover procedures and protocols between E-UTRAN access and cdma2000 HRPD Access; Stage 3  
TS 29.277 Optimised handover procedures and protocol between EUTRAN access and non-3GPP accesses (S102); Stage 3  
TS 29.278 Customized Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; CAMEL Application Part (CAP) specification for IP Multimedia Subsystems (IMS)  
TS 29.279 Mobile IPv4 (MIPv4) based mobility protocols; Stage 3  
TS 29.280 Evolved Packet System (EPS); 3GPP Sv interface (MME to MSC, and SGSN to MSC) for SRVCC  
TS 29.281 General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)  
TS 29.282 Mobile IPv6 vendor specific option format and usage within 3GPP  
TS 29.283 Diameter data management applications  
TS 29.292 Interworking between the IP Multimedia (IM) Core Network (CN) subsystem (IMS) and MSC Server for IMS Centralized Services (ICS)  
TS 29.303 Domain Name System Procedures; Stage 3  
TS 29.304 Mobile IPv4 (MIPv4) based Mobility protocols; Stage 3 SPECIFICATION WITHDRAWN
TS 29.305 InterWorking Function (IWF) between MAP based and Diameter based interfaces  
TS 29.309 Bootstrapping Server Function (GBA BSF) Services  
TS 29.311 Service Level Interworking (SLI) for messaging services  
TS 29.328 IP Multimedia (IM) Subsystem Sh interface; Signalling flows and message contents  
TS 29.329 Sh interface based on the Diameter protocol; Protocol details  
TS 29.330 IP Multimedia Subsystem (IMS); Sc Interface based on the Diameter protocol;  
TS 29.332 Media Gateway Control Function (MGCF) - IM Media Gateway; Mn interface  
TS 29.333 Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface; Stage 3  
TS 29.334 IMS Application Level Gateway (IMS-ALG) – IMS Access Gateway (IMS-AGW); Iq Interface; Stage 3  
TS 29.335 User Data Convergence (UDC); User data repository access protocol over the Ud interface; Stage 3  
TS 29.336 Home Subscriber Server (HSS) diameter interfaces for interworking with packet data networks and applications  
TS 29.337 Diameter-based T4 Interface for communications with packet data networks and applications  
TS 29.338 Diameter based protocols to support Short Message Service (SMS) capable Mobile Management Entities (MMEs)  
TS 29.343 Proximity-services (ProSe) function to ProSe application server aspects (PC2); Stage 3  
TS 29.344 Proximity-services (ProSe) function to Home Subscriber Server (HSS) aspects; Stage 3  
TS 29.345 Inter-Proximity-services (Prose) function signalling aspects; Stage 3  
TS 29.364 IP Multimedia Subsystem (IMS) Application Server (AS) service data descriptions for AS interoperability  
TS 29.368 Tsp interface protocol between the MTC Interworking Function (MTC-IWF) and Service Capability Server (SCS)  
TS 29.374 GPRS Tunnelling Protocol for User Plane (GTPv1-U) SPECIFICATION WITHDRAWN
TS 29.379 Mission Critical Push To Talk (MCPTT) call control interworking with Land Mobile Radio (LMR) systems; Stage-3  
TS 29.380 Mission Critical Push To Talk (MCPTT) media plane control interworking with Land Mobile Radio (LMR) systems; Stage 3  
TS 29.387 V2X Control Function to V2X Application Server aspects (V2); Stage 3 SPECIFICATION WITHDRAWN
TS 29.388 V2X Control Function to Home Subscriber Server (HSS) aspects (V4); Stage 3  
TS 29.389 Inter-V2X Control Function Signalling aspects (V6); Stage 3  
TS 29.405 Nq and Nq' Application Protocol (Nq-AP); Stage 3  
TS 29.412 TISPAN; Interworking; Trunking Gateway Control Procedures for interworking between NGN and external CS networks  
TS 29.413 Application of the NG Application Protocol (NGAP) to non-3GPP access  
TS 29.414 Core network Nb data transport and transport signalling  
TS 29.415 Core network Nb interface user plane protocols  
TS 29.421 TISPAN; NGN Release 1; Endorsement of 3GPP TS 29.162 Interworking between IM CN Sub-system and IP networks  
TS 29.424 TISPAN; H.248 Profile for controlling Trunking Media Gateways; Protocol specification  
TS 29.427 TISPAN; Endorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched CS) networks [3GPP TS 29.163 (Release 7), modified]  
TS 29.433 TISPAN; IP Multimedia; Diameter based protocol for the interfaces between the Call Session Control Function and the User Profile Server Function/Subscription Locator Function; Signalling flows and protocol details [3GPP TS 29.228 and 29.229 modified]  
TS 29.435 Service Enabler Architecture Layer for Verticals (SEAL); Network Slice Capability Enablement (NSCE) Server Services  
TS 29.458 TISPAN; SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification  
TS 29.468 Group Communication System Enablers for LTE (GCSE_LTE); MB2 reference point; Stage 3  
TS 29.486 V2X Application Enabler (VAE) Services; Stage 3  
TS 29.500 5G System; Technical Realization of Service Based Architecture; Stage 3  
TS 29.501 5G System; Principles and Guidelines for Services Definition; Stage 3  
TS 29.502 5G System; Session Management Services; Stage 3  
TS 29.503 5G System; Unified Data Management Services; Stage 3  
TS 29.504 5G System; Unified Data Repository Services; Stage 3  
TS 29.505 5G System; Usage of the Unified Data Repository services for Subscription Data; Stage 3  
TS 29.507 5G System; Access and Mobility Policy Control Service; Stage 3  
TS 29.508 5G System; Session Management Event Exposure Service; Stage 3  
TS 29.509 5G System; Authentication Server Services; Stage 3  
TS 29.510 5G System; Network function repository services; Stage 3  
TS 29.511 5G System; Equipment Identity Register Services; Stage 3  
TS 29.512 5G System; Session Management Policy Control Service; Stage 3  
TS 29.513 5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3  
TS 29.514 5G System; Policy Authorization Service; Stage 3  
TS 29.515 5G System; Gateway Mobile Location Services; Stage 3  
TS 29.516 5G System; Interworking between 5G Network and external Data Networks; Stage 3 SPECIFICATION WITHDRAWN
TS 29.517 5G System; Application Function Event Exposure Service; Stage 3  
TS 29.518 5G System; Access and Mobility Management Services; Stage 3  
TS 29.519 5G System; Usage of the Unified Data Repository Service for Policy Data, Application Data and Structured Data for Exposure; Stage 3  
TS 29.520 5G System; Network Data Analytics Services; Stage 3  
TS 29.521 5G System; Binding Support Management Service; Stage 3  
TS 29.522 5G System; Network Exposure Function Northbound APIs; Stage 3  
TS 29.523 5G System; Policy Control Event Exposure Service; Stage 3  
TS 29.524 5G System; Cause codes mapping between 5GC interfaces; Stage 3  
TS 29.525 5G System; UE Policy Control Service; Stage 3  
TS 29.526 5G System; Network Slice-Specific and SNPN Authentication and Authorization services; Stage 3  
TS 29.527 TISPAN; Endorsement of the SIP-ISUP Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks [3GPP TS 29.163 (Release 7), modified]  
TS 29.531 5G System; Network Slice Selection Services; Stage 3  
TS 29.532 5G System; 5G Multicast-Broadcast Session Management Services; Stage 3  
TS 29.533 TISPAN; IP Multimedia; Diameter based protocol for the interfaces between the Call Session Control Function and the User Profile Server Function/Subscription Locator Function; Signalling flows and protocol details [29.228, 29.229 modified] SPECIFICATION WITHDRAWN
TS 29.534 5G System; Access and Mobility Policy Authorization Service; Stage 3  
TS 29.535 5G System; AKMA Anchor Services; Stage 3  
TS 29.536 5G System; Network Slice Admission Control Services; Stage 3  
TS 29.537 5G System; Multicast/Broadcast Policy Control services; Stage 3  
TS 29.538 Enabling MSGin5G Service; Application Programming Interfaces (API) specification; Stage 3  
TS 29.540 5G System; SMS Services; Stage 3  
TS 29.541 5G System; Network Exposure (NE) function services for Non-IP Data Delivery (NIDD) and Short Message Services (SMS); Stage 3  
TS 29.542 5G System; Session management services for Non-IP Data Delivery (NIDD); Stage 3  
TS 29.543 5G System; Data Transfer Policy Control Services; Stage 3  
TS 29.544 5G System; Secured Packet Application Function (SP-AF) services; Stage 3  
TS 29.548 Service Enabler Architecture Layer for Verticals (SEAL); SEAL Data Delivery (SEALDD) Server Services; Stage 3  
TS 29.549 Service Enabler Architecture Layer for Verticals (SEAL); Application Programming Interface (API) specification; Stage 3  
TS 29.550 5G System; Steering of roaming application function services; Stage 3  
TS 29.551 5G System; Packet Flow Description Management Service; Stage 3  
TS 29.552 5G System; Network Data Analytics signalling flows; Stage 3  
TS 29.553 5G System; 5G ProSe Anchor Services; Stage 3  
TS 29.554 5G System; Background Data Transfer Policy Control Service; Stage 3  
TS 29.555 5G System; 5G Direct Discovery Name Management Services; Stage 3  
TS 29.556 Edge Application Server Discovery Services; Stage 3  
TS 29.557 5G System; Application Function ProSe Service; Stage 3  
TS 29.558 Enabling Edge Applications; Application Programming Interface (API) specification; Stage 3  
TS 29.559 5G System; 5G ProSe Key Management Services; Stage 3  
TS 29.561 5G System; Interworking between 5G Network and external Data Networks; Stage 3  
TS 29.562 5G System; Home Subscriber Server (HSS) services; Stage 3  
TS 29.563 5G System; Home Subscriber Server (HSS) services for interworking with Unified Data Management (UDM); Stage 3  
TS 29.564 5G System; User Plane Function Services; Stage 3  
TS 29.565 5G System; Time Sensitive Communication and Time Synchronization Function Services; Stage 3  
TS 29.571 5G System; Common Data Types for Service Based Interfaces; Stage 3  
TS 29.572 5G System; Location Management Services; Stage 3  
TS 29.573 5G System; Public Land Mobile Network (PLMN) Interconnection; Stage 3  
TS 29.574 5G System; Data Collection Coordination Services; Stage 3  
TS 29.575 5G System; Analytics Data Repository Services; Stage 3  
TS 29.576 5G System; Messaging Framework Adaptor Services; Stage 3  
TS 29.577 5G System; IP Short Message Gateway and SMS Router For Short Message Services; Stage 3  
TS 29.578 5G System; Mobile Number Portability Services; Stage 3  
TS 29.579 5G System; Interworking MSC For Short Message Services; Stage 3  
TS 29.580 5G System; Multicast/Broadcast Service Function services; Stage 3  
TS 29.581 5G System; Multicast/Broadcast Service Transport Services; Stage 3  
TS 29.582 Mission Critical Data (MCData) interworking with Land Mobile Radio (LMR) systems; Stage 3  
TS 29.583 Application layer support for Personal IoT Network (PINAPP); Personal IoT Network (PIN) server services  
TS 29.585 5G System (5GS); Session Management Function (SMF) / Centralized User Configuration (CUC) to Access Network Talker Listener (AN-TL) and Core Network Talker Listener (CN-TL) protocol aspects; Stage 3  
TS 29.586 5G System; SideLink Positioning Key Management Services; Stage 3  
TS 29.591 5G System; Network Exposure Function Southbound Services; Stage 3  
TS 29.594 5G System; Spending Limit Control Service; Stage 3  
TS 29.598 Unstructured data storage services  
TS 29.612 TISPAN; Interworking; Trunking Gateway Control Procedures for interworking between NGN and external CS networks SPECIFICATION WITHDRAWN
TS 29.624 TISPAN; H.248 Profile for controlling Trunking Media Gateways; Protocol specification SPECIFICATION WITHDRAWN
TS 29.641 3GPP Registry for Service Names and Port Numbers  
TS 29.658 SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification  
TS 29.673 5G System; UE radio capability management services; Stage 3  
TS 29.674 Interface between the UE radio Capability Management Function (UCMF) and the Mobility Management Entity (MME); Stage 3  
TS 29.675 User Equipment (UE) radio capability provisioning service; Stage 3  
TR 29.800 Signalling System No. 7 (SS7) Security Gateway; Architecture, functional description and protocol details  
TR 29.801 Feasibility study of using M2PA in 3GPP networks  
TR 29.802 (G)MSC-S - (G)MSC-S Nc Interface based on the SIP-I protocol  
TR 29.803 3GPP System Architecture Evolution (SAE): CT WG4 aspects SPECIFICATION WITHDRAWN
TR 29.804 3GPP System Architecture Evolution (SAE): CT WG3 aspects  
TR 29.805 InterWorking Function (IWF) between MAP based and Diameter based interfaces  
TR 29.806 Study on IP Multimedia Subsystem (IMS) Proxy Call Session Control Function (P-CSCF) restoration procedures  
TR 29.807 Study on General Packet Radio Service (GPRS) Tunnelling Protocol for Control plane (GTP-C) overload control mechanisms  
TR 29.808 Study on the Nudsf Service Based Interface  
TR 29.809 Study on Diameter overload control mechanisms  
TR 29.810 Study on Diameter load control mechanisms  
TR 29.811 Study on EPC signalling improvements for race scenarios  
TR 29.812 Study on SCC AS Restoration  
TR 29.813 Study on S6a/S6d Shared Data Update  
TR 29.814 Bandwidth saving at Nb interface with IP transport  
TR 29.816 Study on PCRF failure and restoration  
TR 29.817 Study on eXtensible Markup Language (XML) based access of the Application Function (AF) to the Policy and Charging Rules Function (PCRF)  
TR 29.818 Study on the enhancement of protocols for SMS service over SGs SPECIFICATION WITHDRAWN
TR 29.819 Study on impacts of the Diameter Base Protocol specification update.  
TR 29.820 Study on Best Practice of PFCP  
TR 29.821 Study on restoration of profiles related to UDR  
TR 29.826 P-CSCF restoration enhancements for WLAN  
TR 29.827 Study on Policy and Charging for Volume Based Charging  
TR 29.828 Study on extended IP Multimedia Subsystem (IMS) media plane security features and Transmission Control Protocol (TCP) related Network Address Translation (NAT) traversal support; IMS H.248 profiles aspects  
TR 29.829 Service-based support for SMS in 5GC  
TR 29.831 Study on NRF API enhancements to avoid signalling and storing of redundant data  
TR 29.835 Study on Port Allocation Alternatives for New 3GPP Interfaces  
TR 29.839 3GPP system - fixed broadband access network interworking; Home (e)Node B - security gateway interface  
TR 29.843 Study on Load and Overload Control of 5GC Service Based Interface  
TR 29.844 Study on Control and User Plane Separation of EPC Nodes  
TR 29.846 Multimedia Broadcast/Multicast Service (MBMS); CN1 procedure description  
TR 29.847 Conferencing based on SIP, SDP, and other protocols; Functional models, information flows and protocol details  
TR 29.854 Study on shared data update for multiple subscribers  
TR 29.857 Study on Reducing Information Exposure over SBI  
TR 29.863 Feasibility Study for the multimedia inter-working between the IP Multimedia Core Network (CN) Subsystem (IMS) and Circuit Switched (CS) networks  
TR 29.864 Study on IMS Application Server (AS) service data descriptions for AS interoperability  
TR 29.865 Inter-IMS network to network interface  
TR 29.866 Study on IMS Disaster Prevention and Restoration Enhancement  
TR 29.875 Interworking Proxy between GTP based and PMIP based interfaces SPECIFICATION WITHDRAWN
TR 29.882 Customized Alerting Tone (CAT) in 3G CS domain  
TR 29.890 CT WG3 aspects of 5G System Phase 1  
TR 29.891 5G System - Phase 1 CT WG4 Aspects  
TR 29.892 Study on User Plane Protocol in 5GC  
TR 29.893 Study on IETF QUIC Transport for 5GC Service Based Interfaces  
TR 29.903 Feasibility Study on SS7 signalling transport in the core network with SCCP-User Adaptation (SUA) layer  
TR 29.909 Diameter-based protocols usage and recommendations in 3GPP  
TR 29.935 Study on User Data Convergence (UDC) data model  
TR 29.941 Guidelines on Port Allocation for New 3GPP Interfaces  
TR 29.949 Study on technical aspects on roaming end-to-end scenarios with Voice over LTE (VoLTE) IP Multimedia Subsystem (IMS) and other networks  
TR 29.962 Signalling interworking between the 3GPP profile of the Session Initiation Protocol (SIP) and non-3GPP SIP usage  
TR 29.993 Modifications to be incorporated in equipment to cater for errors in the standards SPECIFICATION WITHDRAWN
TR 29.994 Recommended infrastructure measures to overcome specific Mobile Station (MS) and User Equipment (UE) faults  
TR 29.998 Open Services Architecture (OSA) Application Programming Interface (API) part 2  
TR 29.998-01 Open Service Access (OSA); Application Programming Interface (API) mapping for OSA; Part 1: General issues on API mapping  
TR 29.998-04-1 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 4: Call Control Service Mapping; Subpart 1: API to CAP Mapping  
TR 29.998-04-2 Open Service Access (OSA) Application Programming Interface (API) Mapping for Open Service Access; Part 4: Call Control Service Mapping; Subpart 2: INAP SPECIFICATION WITHDRAWN
TR 29.998-04-3 Open Service Access (OSA) Application Programming Interface (API) Mapping for Open Service Access; Part 4: Call Control Service Mapping; Subpart 3: MEGACO mapping SPECIFICATION WITHDRAWN
TR 29.998-04-4 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 4: Call Control Service Mapping; Subpart 4: Multiparty Call Control ISC  
TR 29.998-05-1 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 5: User Interaction Service Mapping; Subpart 1: API to CAP Mapping  
TR 29.998-05-2 Open Service Access (OSA) Application Programming Interface (API) Mapping for Open Service Access; Part 5: User Interaction Service Mapping; Subpart 2: INAP mapping SPECIFICATION WITHDRAWN
TR 29.998-05-3 Open Service Access (OSA) Application Programming Interface (API) Mapping for Open Service Access; Part 5: User Interaction Service Mapping; Subpart 3: MEGACO mapping SPECIFICATION WITHDRAWN
TR 29.998-05-4 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 5: User Interaction Service Mapping; Subpart 4: API to SMS Mapping  
TR 29.998-06 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 6: User Location and User Status Service Mapping to MAP  
TR 29.998-06-1 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 6: User location - user status service mapping; Subpart 1: Mapping to Mobile Application Part (MAP)  
TR 29.998-06-2 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 6: User location - user status service mapping; Subpart 2: Mapping to Session Initiation Protocol (SIP)  
TR 29.998-08 Open Service Access (OSA); Application Programming Interface (API) Mapping for Open Service Access; Part 8: Data Session Control Service Mapping to CAP  
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