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 22.183
Customized Ringing Signal (CRS) requirements; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.185
Service requirements for V2X services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.186
Service requirements for enhanced V2X scenarios
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.220
Service requirements for Home Node B (HNB) and Home eNode B (HeNB)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.226
Global Text Telephony (GTT); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.228
Service requirements for the Internet Protocol (IP) multimedia core network subsystem (IMS); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.233
Transparent end-to-end packet-switched streaming service; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.240
Service requirements for 3GPP Generic User Profile (GUP); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.242
Digital Rights Management (DRM); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.243
Speech recognition framework for automated voice services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
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