Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-22184 specifications in series 29
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 29.277
Optimised handover procedures and protocol between EUTRAN access and non-3GPP accesses (S102); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.278
Customized Applications for Mobile network Enhanced Logic (CAMEL) Phase 4; CAMEL Application Part (CAP) specification for IP Multimedia Subsystems (IMS)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.279
Mobile IPv4 (MIPv4) based mobility protocols; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.280
Evolved Packet System (EPS); 3GPP Sv interface (MME to MSC, and SGSN to MSC) for SRVCC
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.281
General Packet Radio System (GPRS) Tunnelling Protocol User Plane (GTPv1-U)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.282
Mobile IPv6 vendor specific option format and usage within 3GPP
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.283
Diameter data management applications
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.292
Interworking between the IP Multimedia (IM) Core Network (CN) subsystem (IMS) and MSC Server for IMS Centralized Services (ICS)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.303
Domain Name System Procedures; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.305
InterWorking Function (IWF) between MAP based and Diameter based interfaces
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.309
Bootstrapping Server Function (GBA BSF) Services
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.311
Service Level Interworking (SLI) for messaging services
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.328
IP Multimedia (IM) Subsystem Sh interface; Signalling flows and message contents
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.329
Sh interface based on the Diameter protocol; Protocol details
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.330
IP Multimedia Subsystem (IMS); Sc Interface based on the Diameter protocol;
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.332
Media Gateway Control Function (MGCF) - IM Media Gateway; Mn interface
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.333
Multimedia Resource Function Controller (MRFC) - Multimedia Resource Function Processor (MRFP) Mp interface; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.334
IMS Application Level Gateway (IMS-ALG) – IMS Access Gateway (IMS-AGW); Iq Interface; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.335
User Data Convergence (UDC); User data repository access protocol over the Ud interface; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.336
Home Subscriber Server (HSS) diameter interfaces for interworking with packet data networks and applications
Architecture
Rel-18TS5GCUpdated 2026-07-25