Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-141,188 specifications
Key features: First 5G NR specifications, NSA and SA architectures
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 22.289
Mobile communication system for railways
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.340
IP Multimedia Subsystem (IMS) messaging; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.346
Isolated Evolved Universal Terrestrial Radio Access Network (E-UTRAN) operation for public safety; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.368
Service requirements for Machine-Type Communications (MTC); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.468
Group Communication System Enablers (GCSE)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.519
Business communication requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.804
Study on Communication for Automation in Vertical domains (CAV)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.819
Feasibility Study on Maritime Communication Services over 3GPP system
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.820
Study on Provision of Local Operator Services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.864
Feasibility study on new services and markets technology enablers for network operation; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.872
Study on positioning use cases
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.886
Study on enhancement of 3GPP support for 5G V2X services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.889
Study on Future Railway Mobile Communication System (FRMCS)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.903
Study on Videotelephony teleservice
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.906
Study on IMS based peer-to-peer content distribution services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.908
Study on Paging Permission with Access Control (PPAC)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.912
Study into network selection requirements for non-3GPP access
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.936
Multi-system terminals
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.940
IP Multimedia Subsystem (IMS) messaging
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.942
Study on Value Added Services (VAS) for Short Message Service (SMS)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25