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 29.337
Diameter-based T4 Interface for communications with packet data networks and applications
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.338
Diameter based protocols to support Short Message Service (SMS) capable Mobile Management Entities (MMEs)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.343
Proximity-services (ProSe) function to ProSe application server aspects (PC2); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.344
Proximity-services (ProSe) function to Home Subscriber Server (HSS) aspects; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.345
Inter-Proximity-services (Prose) function signalling aspects; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.364
IP Multimedia Subsystem (IMS) Application Server (AS) service data descriptions for AS interoperability
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.368
Tsp interface protocol between the MTC Interworking Function (MTC-IWF) and Service Capability Server (SCS)
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.379
Mission Critical Push To Talk (MCPTT) call control interworking with Land Mobile Radio (LMR) systems; Stage-3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.380
Mission Critical Push To Talk (MCPTT) media plane control interworking with Land Mobile Radio (LMR) systems; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.388
V2X Control Function to Home Subscriber Server (HSS) aspects (V4); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.389
Inter-V2X Control Function Signalling aspects (V6); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.405
Nq and Nq' Application Protocol (Nq-AP); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.413
Application of the NG Application Protocol (NGAP) to non-3GPP access
Protocol
Rel-18TS5GCUpdated 2026-07-25
TS 29.414
Core network Nb data transport and transport signalling
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.415
Core network Nb interface user plane protocols
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.435
Service Enabler Architecture Layer for Verticals (SEAL); Network Slice Capability Enablement (NSCE) Server Services
Architecture
Rel-18TSNetwork SlicingUpdated 2026-07-25
TS 29.468
Group Communication System Enablers for LTE (GCSE_LTE); MB2 reference point; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.486
V2X Application Enabler (VAE) Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.500
5G System; Technical Realization of Service Based Architecture; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.501
5G System; Principles and Guidelines for Services Definition; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25