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 22.135
Multicall; Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.140
Multimedia Messaging Service (MMS); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.141
Presence service; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.142
Value Added Services (VAS) for Short Message Service (SMS) requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.146
Multimedia Broadcast/Multicast Service (MBMS); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.153
Multimedia priority service
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.173
IP Multimedia Core Network Subsystem (IMS) Multimedia Telephony Service and supplementary services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.174
Push Service; Service aspects; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.179
Mission Critical Push to Talk (MCPTT); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.182
Customized Alerting Tones (CAT) requirements; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
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