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 24.166
3GPP IP Multimedia Subsystem (IMS) conferencing Management Object (MO)
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.167
3GPP IMS Management Object (MO); Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.171
Control Plane Location Services (LCS) procedures in the Evolved Packet System (EPS)
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.173
IMS Multimedia telephony communication service and supplementary services; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.174
Support of multi-device and multi-identity in the IP Multimedia Subsystem (IMS); Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.175
Management Object (MO) for multi-device and multi-identity in the IP Multimedia Subsystem (IMS)
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.182
IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.183
IP Multimedia Subsystem (IMS) Customized Ringing Signal (CRS); Protocol specification
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.186
IMS Data Channel applications; Protocol specification
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.193
5G System;Access Traffic Steering, Switching and Splitting (ATSSS); Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.196
Enhanced Calling Name (eCNAM)
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.216
Communication Continuity Management Object (MO)
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.229
IP multimedia call control protocol based on Session Initiation Protocol (SIP) and Session Description Protocol (SDP); Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.237
IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuity; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.238
Session Initiation Protocol (SIP) based user configuration; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.239
Flexible Alerting (FA) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.244
Wireless LAN control plane protocol for trusted WLAN access to EPC; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.247
Messaging service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.250
Protocol for Reliable Data Service; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25
TS 24.257
Uncrewed Aerial System (UAS) Application Enabler (UAE) layer; Protocol aspects; Stage 3
Protocol
Rel-18TSIMSUpdated 2026-07-25