Release Rel-20
5G-AdvancedThe in-progress release continuing the 5G-Advanced evolution track.
288 specifications
Key features: AI/ML-native air interface, further RedCap, ambient IoT phase 2
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 28Series 29Series 32Series 33Series 35Series 36Series 38
TS 29.309
Bootstrapping Server Function (GBA BSF) Services
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.336
Home Subscriber Server (HSS) diameter interfaces for interworking with packet data networks and applications
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.369
5G System; Ambient IoT Data Management Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.392
Application layer support for MMTel; MMTel Enabler Server Services; stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.435
Service Enabler Architecture Layer for Verticals (SEAL); Network Slice Capability Enablement (NSCE) Server Services
Architecture
Rel-20TSNetwork SlicingUpdated 2026-07-26
TS 29.437
Service Enabler Architecture Layer for Verticals (SEAL); Metaverse Enablement Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.482
Service Enabler Architecture Layer for Verticals (SEAL); Artificial Intelligence Machine Learning Enablement (AIMLE) Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.501
5G System; Principles and Guidelines for Services Definition; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.502
5G System; Session Management Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.503
5G System; Unified Data Management Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.504
5G System; Unified Data Repository Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.505
5G System; Usage of the Unified Data Repository services for Subscription Data; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.506
5G System; Usage of the Unified Data Repository services for Ambient IoT Data; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.507
5G System; Access and Mobility Policy Control Service; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.508
5G System; Session Management Event Exposure Service; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.509
5G System; Authentication Server Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.510
5G System; Network function repository services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.511
5G System; Equipment Identity Register Services; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.512
5G System; Session Management Policy Control Service; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26
TS 29.513
5G System; Policy and Charging Control signalling flows and QoS parameter mapping; Stage 3
Architecture
Rel-20TS5GCUpdated 2026-07-26