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 22.034
High Speed Circuit Switched Data (HSCSD); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.038
(U)SIM Application Toolkit (USAT); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.041
Operator Determined Barring (ODB)
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.042
Network Identity and TimeZone (NITZ); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.053
Tandem Free Operation (TFO); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.057
Mobile Execution Environment (MExE); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.066
Support of Mobile Number Portability (MNP); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.067
enhanced Multi Level Precedence and Pre-emption service (eMLPP); Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.071
Location Services (LCS); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.072
Call Deflection (CD) service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.076
Noise suppression for the AMR codec; Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.078
Customised Applications for Mobile network Enhanced Logic (CAMEL); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.079
Support of Optimal Routeing (SOR); Service definition; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.081
Line Identification supplementary services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.082
Call Forwarding (CF) Supplementary Services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.083
Call Waiting (CW) and Call Holding (HOLD); Supplementary Services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.084
MultiParty (MPTY) supplementary service; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.085
Closed User Group (CUG) supplementary services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.086
Advice of Charge (AoC) supplementary services; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25
TS 22.087
User-to-User Signalling (UUS); Service description; Stage 1
Service
Rel-15TS3GPP ServicesUpdated 2026-07-25