Release Rel-16
5G NREnhances 5G NR with unlicensed spectrum, vehicle-to-everything, and private network support.
Frozen 2020-07-031,303 specifications
Key features: NR-U unlicensed, V2X, industrial IoT, integrated access backhaul
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 24.139
3GPP system - fixed broadband access network interworking; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.141
Presence service using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.147
Conferencing using the IP Multimedia (IM) Core Network (CN) subsystem; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.161
Network-Based IP Flow Mobility (NBIFOM); Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.166
3GPP IP Multimedia Subsystem (IMS) conferencing Management Object (MO)
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.167
3GPP IMS Management Object (MO); Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.171
Control Plane Location Services (LCS) procedures in the Evolved Packet System (EPS)
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.173
IMS Multimedia telephony communication service and supplementary services; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.174
Support of multi-device and multi-identity in the IP Multimedia Subsystem (IMS); Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.175
Management Object (MO) for multi-device and multi-identity in the IP Multimedia Subsystem (IMS)
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.182
IP Multimedia Subsystem (IMS) Customized Alerting Tones (CAT); Protocol specification
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.183
IP Multimedia Subsystem (IMS) Customized Ringing Signal (CRS); Protocol specification
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.193
5G System;Access Traffic Steering, Switching and Splitting (ATSSS); Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.196
Enhanced Calling Name (eCNAM)
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.216
Communication Continuity Management Object (MO)
Protocol
Rel-16TSIMSUpdated 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-16TSIMSUpdated 2026-07-25
TS 24.237
IP Multimedia (IM) Core Network (CN) subsystem IP Multimedia Subsystem (IMS) service continuity; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.238
Session Initiation Protocol (SIP) based user configuration; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.239
Flexible Alerting (FA) using IP Multimedia (IM) Core Network (CN) subsystem; Protocol specification
Protocol
Rel-16TSIMSUpdated 2026-07-25
TS 24.244
Wireless LAN control plane protocol for trusted WLAN access to EPC; Stage 3
Protocol
Rel-16TSIMSUpdated 2026-07-25