Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-23149 specifications in series 23
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 23.380
IMS Restoration Procedures
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.401
General Packet Radio Service (GPRS) enhancements for Evolved Universal Terrestrial Radio Access Network (E-UTRAN) access
Architecture
Rel-17TSEPCUpdated 2026-07-25
TS 23.402
Architecture enhancements for non-3GPP accesses
Architecture
Rel-17TSEPCUpdated 2026-07-25
TS 23.434
Service Enabler Architecture Layer for Verticals (SEAL); Functional architecture and information flows
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.468
Group Communication System Enablers for LTE (GCSE_LTE); Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.479
Technical Specification Group Services and System Aspects; UE MBMS APIs for Mission Critical Services;
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.501
System architecture for the 5G System (5GS)
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.502
Procedures for the 5G System (5GS)
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.503
Policy and charging control framework for the 5G System (5GS); Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.527
5G System; Restoration procedures
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.540
5G System: Technical realization of Service Based Short Message Service; Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.548
5G System Enhancements for Edge Computing; Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.554
Application architecture for MSGin5G Service; Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.558
Architecture for enabling Edge Applications
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.632
User data interworking, coexistence and migration; Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.682
Architecture enhancements to facilitate communications with packet data networks and applications
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.700-07
Study on enhanced support of Non-Public Networks (NPN)
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.700-10
Study on enhanced IP Multimedia Subsystem (IMS) to 5GC integration Phase 2; CT WG1 aspects
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.700-11
Study on enhanced IP Multimedia Subsystem (IMS) to 5GC integration Phase 2; CT WG3 aspects
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.700-12
Study on enhanced IP Multimedia Subsystem (IMS) to 5GC integration Phase 2; CT WG4 aspects
Architecture
Rel-17TS5GCUpdated 2026-07-25