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 22.944
Report on service requirements for UE functionality split
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.947
Study on Personal Broadcast Service (PBS)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.948
Study of requirements of IP-Multimedia Subsystem (IMS) convergent multimedia conferencing
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.949
Study on a generalized privacy capability
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.950
Priority service feasibility study
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.951
Service aspects and requirements for network sharing
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.952
Priority service guide
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.953
Multimedia priority service feasibility study
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.967
Transferring of emergency call data
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.968
Study for requirements for a Public Warning System (PWS) service
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.973
IMS Multimedia Telephony service; and supplementary services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.977
Feasibility study for speech-enabled services
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.978
All-IP network (AIPN) feasibility study
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.979
Feasibility study on combined Circuit Switched (CS) calls and IP Multimedia Subsystem (IMS) sessions
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.980
Network composition feasibility study
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.982
Study of Customised Alerting Tone (CAT) requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.983
Services alignment and migration
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.985
Service requirements for the User Data Convergence (UDC)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.986
Study on Service Specific Access Control
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.987
Study of haptic services requirements
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25