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 29.176
IP Multimedia Subsystems (IMS); Media Function (MF) Services; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.201
Representational State Transfer (REST) reference point between Application Function (AF) and Protocol Converter (PC)
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.202
Signalling System No. 7 (SS7) signalling transport in core network; Stage 3
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.204
Signalling System No. 7 (SS7) security gateway; Architecture, functional description and protocol details
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.205
Application of Q.1900 series to bearer independent Circuit Switched (CS) core network architecture; Stage 3
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.212
Policy and Charging Control (PCC); Reference points
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.213
Policy and charging control signalling flows and Quality of Service (QoS) parameter mapping
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.214
Policy and charging control over Rx reference point
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.215
Policy and Charging Control (PCC) over S9 reference point; Stage 3
Physical Layer
Rel-18TS5GCUpdated 2026-07-25
TS 29.217
Policy and Charging Control (PCC); Congestion reporting over Np reference point
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.219
Policy and charging control: Spending limit reporting over Sy reference point
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.222
Common API Framework for 3GPP Northbound APIs
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.228
IP Multimedia (IM) Subsystem Cx and Dx Interfaces; Signalling flows and message contents
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.229
Cx and Dx interfaces based on the Diameter protocol; Protocol details
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.230
Diameter applications; 3GPP specific codes and identifiers
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.231
Application of SIP-I Protocols to Circuit Switched (CS) core network architecture; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.232
Media Gateway Controller (MGC) - Media Gateway (MGW) interface; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.235
Interworking between SIP-I based circuit-switched core network and other networks
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.238
Interconnection Border Control Functions (IBCF) - Transition Gateway (TrGW) interface, Ix interface; Stage 3
Architecture
Rel-18TS5GCUpdated 2026-07-25
TS 29.240
3GPP Generic User Profile (GUP); Stage 3; Network
Architecture
Rel-18TS5GCUpdated 2026-07-25