Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-221,533 specifications
Key features: RedCap enhancements, NR-NTN, XR enhancements, AI/ML for NG-RAN
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 29.109
Generic Authentication Architecture (GAA); Zh and Zn Interfaces based on the Diameter protocol; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.116
Representational state transfer over xMB reference point between content provider and BM-SC
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.118
Mobility Management Entity (MME) - Visitor Location Register (VLR) SGs interface specification
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.119
GPRS Tunnelling Protocol (GTP) specification for Gateway Location Register (GLR)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.120
Mobile Application Part (MAP) specification for Gateway Location Register (GLR)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.122
T8 reference point for Northbound APIs
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.128
Mobility Management Entity (MME) and Serving GPRS Support Node (SGSN) interfaces for interworking with packet data networks and applications
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.139
3GPP system - fixed broadband access network interworking; Home (e)Node B - security gateway interface
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.153
Service capability exposure functionality over Ns reference point
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.154
Service capability exposure functionality over Nt reference point
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.155
Traffic steering control; Representational State Transfer (REST) over St reference point
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.162
Interworking between the IM CN subsystem and IP networks
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.163
Interworking between the IP Multimedia (IM) Core Network (CN) subsystem and Circuit Switched (CS) networks
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.164
Interworking between the 3GPP CS domain with BICC or ISUP as signalling protocol and external SIP-I networks
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.165
Inter-IMS Network to Network Interface (NNI)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.168
Cell Broadcast Centre interfaces with the Evolved Packet Core; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
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
Architecture
Rel-18TS5GCUpdated 2026-07-25
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
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.173
Location Services (LCS); Diameter-based SLh interface for Control Plane LCS
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.175
IP Multimedia Subsystem (IMS) Application Server (AS) Services Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25