Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-221,533 specifications
Key features: RedCap enhancements, NR-NTN, XR enhancements, AI/ML for NG-RAN
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 29.538
Enabling MSGin5G Service; Application Programming Interfaces (API) specification; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.540
5G System; SMS Services; Stage 3
Architecture
Rel-18TS5GCUpdated 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-18TS5GCUpdated 2026-07-25
TS 29.542
5G System; Session management services for Non-IP Data Delivery (NIDD); Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.543
5G System; Data Transfer Policy Control Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.544
5G System; Secured Packet Application Function (SP-AF) services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.548
Service Enabler Architecture Layer for Verticals (SEAL); SEAL Data Delivery (SEALDD) Server Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.549
Service Enabler Architecture Layer for Verticals (SEAL); Application Programming Interface (API) specification; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.550
5G System; Steering of roaming application function services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.551
5G System; Packet Flow Description Management Service; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.552
5G System; Network Data Analytics signalling flows; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.553
5G System; 5G ProSe Anchor Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.554
5G System; Background Data Transfer Policy Control Service; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.555
5G System; 5G Direct Discovery Name Management Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.556
Edge Application Server Discovery Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.557
5G System; Application Function ProSe Service; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.558
Enabling Edge Applications; Application Programming Interface (API) specification; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.559
5G System; 5G ProSe Key Management Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.561
5G System; Interworking between 5G Network and external Data Networks; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.562
5G System; Home Subscriber Server (HSS) services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25