Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-23176 specifications in series 29
Key features: RedCap (NR-Light), NR-NTN, multicast/broadcast, XR support
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 29.344
Proximity-services (ProSe) function to Home Subscriber Server (HSS) aspects; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.345
Inter-Proximity-services (Prose) function signalling aspects; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.364
IP Multimedia Subsystem (IMS) Application Server (AS) service data descriptions for AS interoperability
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.368
Tsp interface protocol between the MTC Interworking Function (MTC-IWF) and Service Capability Server (SCS)
Architecture
Rel-17TS5GCUpdated 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-17TS5GCUpdated 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-17TS5GCUpdated 2026-07-25
TS 29.388
V2X Control Function to Home Subscriber Server (HSS) aspects (V4); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.389
Inter-V2X Control Function Signalling aspects (V6); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.405
Nq and Nq' Application Protocol (Nq-AP); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.413
Application of the NG Application Protocol (NGAP) to non-3GPP access
Protocol
Rel-17TS5GCUpdated 2026-07-25
TS 29.414
Core network Nb data transport and transport signalling
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.415
Core network Nb interface user plane protocols
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.468
Group Communication System Enablers for LTE (GCSE_LTE); MB2 reference point; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.486
V2X Application Enabler (VAE) Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.500
5G System; Technical Realization of Service Based Architecture; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.501
5G System; Principles and Guidelines for Services Definition; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.502
5G System; Session Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.503
5G System; Unified Data Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.504
5G System; Unified Data Repository Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.505
5G System; Usage of the Unified Data Repository services for Subscription Data; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25