Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-231,408 specifications
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 29.575
5G System; Analytics Data Repository Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.576
5G System; Messaging Framework Adaptor Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.577
5G System; IP Short Message Gateway and SMS Router For Short Message Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.578
5G System; Mobile Number Portability Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.579
5G System; Interworking MSC For Short Message Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.580
5G System; Multicast/Broadcast Service Function services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.581
5G System; Multicast/Broadcast Service Transport Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.582
Mission Critical Data (MCData) interworking with Land Mobile Radio (LMR) systems; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.591
5G System; Network Exposure Function Southbound Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.594
5G System; Spending Limit Control Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.598
Unstructured data storage services
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.641
3GPP Registry for Service Names and Port Numbers
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.658
SIP Transfer of IP Multimedia Service Tariff Information; Protocol specification
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.673
5G System; UE radio capability management services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.674
Interface between the UE radio Capability Management Function (UCMF) and the Mobility Management Entity (MME); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.675
User Equipment (UE) radio capability provisioning service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.820
Study on Best Practice of PFCP
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.821
Study on restoration of profiles related to UDR
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.829
Service-based support for SMS in 5GC
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.835
Study on Port Allocation Alternatives for New 3GPP Interfaces
Architecture
Rel-17TS5GCUpdated 2026-07-25