Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-14112 specifications in series 22
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 22.246
Multimedia Broadcast/Multicast Service (MBMS) user services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.250
IP Multimedia Subsystem (IMS) Group Management; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.259
Service requirements for Personal Network Management (PNM); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.261
Service requirements for the 5G system
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.268
Public Warning System (PWS) requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.278
Service requirements for the Evolved Packet System (EPS)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.279
Combined Circuit Switched (CS) and IP Multimedia Subsystem (IMS) sessions; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.280
Mission Critical Services Common Requirements (MCCoRe); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.281
Mission Critical (MC) video
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.282
Mission Critical (MC) data
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
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