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 29.518
5G System; Access and Mobility Management Services; Stage 3
Interface
Rel-17TS5GCUpdated 2026-07-25
TS 29.519
5G System; Usage of the Unified Data Repository Service for Policy Data, Application Data and Structured Data for Exposure; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.520
5G System; Network Data Analytics Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.521
5G System; Binding Support Management Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.522
5G System; Network Exposure Function Northbound APIs; Stage 3
Interface
Rel-17TS5GCUpdated 2026-07-25
TS 29.523
5G System; Policy Control Event Exposure Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.524
5G System; Cause codes mapping between 5GC interfaces; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.525
5G System; UE Policy Control Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.526
5G System; Network Slice-Specific and SNPN Authentication and Authorization services; Stage 3
Architecture
Rel-17TSNetwork SlicingUpdated 2026-07-25
TS 29.531
5G System; Network Slice Selection Services; Stage 3
Architecture
Rel-17TSNetwork SlicingUpdated 2026-07-25
TS 29.532
5G System; 5G Multicast-Broadcast Session Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.534
5G System; Access and Mobility Policy Authorization Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.535
5G System; AKMA Anchor Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.536
5G System; Network Slice Admission Control Services; Stage 3
Architecture
Rel-17TSNetwork SlicingUpdated 2026-07-25
TS 29.537
5G System; Multicast/Broadcast Policy Control services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.538
Enabling MSGin5G Service; Application Programming Interfaces (API) specification; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.540
5G System; SMS Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.541
5G System; Network Exposure (NE) function services for Non-IP Data Delivery (NIDD) and Short Message Services (SMS); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.542
5G System; Session management services for Non-IP Data Delivery (NIDD); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.544
5G System; Secured Packet Application Function (SP-AF) services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25