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 29.549
Service Enabler Architecture Layer for Verticals (SEAL); Application Programming Interface (API) specification; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.550
5G System; Steering of roaming application function services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.551
5G System; Packet Flow Description Management Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.552
5G System; Network Data Analytics signalling flows; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.553
5G System; 5G ProSe Anchor Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.554
5G System; Background Data Transfer Policy Control Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.555
5G System; 5G Direct Discovery Name Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.556
Edge Application Server Discovery Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.557
5G System; Application Function ProSe Service; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.558
Enabling Edge Applications; Application Programming Interface (API) specification; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.559
5G System; 5G ProSe Key Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.561
5G System; Interworking between 5G Network and external Data Networks; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.562
5G System; Home Subscriber Server (HSS) services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.563
5G System; Home Subscriber Server (HSS) services for interworking with Unified Data Management (UDM); Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.564
5G System; User Plane Function Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.565
5G System; Time Sensitive Communication and Time Synchronization Function Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.571
5G System; Common Data Types for Service Based Interfaces; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.572
5G System; Location Management Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.573
5G System; Public Land Mobile Network (PLMN) Interconnection; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 29.574
5G System; Data Collection Coordination Services; Stage 3
Architecture
Rel-17TS5GCUpdated 2026-07-25