Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-231,408 specifications
Key features: RedCap (NR-Light), NR-NTN, multicast/broadcast, XR support
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 23.979
3GPP enablers for Open Mobile Alliance (OMA); Push-to-talk over Cellular (PoC) services; Stage 2
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 23.981
Interworking aspects and migration scenarios for IPv4-based IP Multimedia Subsystem (IMS) implementations
Architecture
Rel-17TS5GCUpdated 2026-07-25
TS 24.007
Mobile radio interface signalling layer 3; General Aspects
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.008
Mobile radio interface Layer 3 specification; Core network protocols; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.010
Mobile radio interface layer 3; Supplementary services specification; General aspects
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.011
Point-to-Point (PP) Short Message Service (SMS) support on mobile radio interface
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.022
Radio Link Protocol (RLP) for circuit switched bearer and teleservices
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.030
Location Services (LCS); Supplementary service operations; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.067
Enhanced Multi-Level Precedence and Pre-emption service (eMLPP); Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.072
Call Deflection (CD) supplementary service; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.080
Mobile radio interface layer 3 supplementary services specification; Formats and coding
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.081
Line Identification supplementary services; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.082
Call Forwarding (CF) supplementary services; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.083
Call Waiting (CW) and Call Hold (HOLD) supplementary services; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.084
Multi Party (MPTY) supplementary service; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.085
Closed User Group (CUG) supplementary service; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.086
Advice of Charge (AoC) supplementary services; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.087
User-to-User Signalling (UUS) Supplementary Service; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.088
Call Barring (CB) supplementary service; Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25
TS 24.090
Unstructured Supplementary Service Data (USSD); Stage 3
Protocol
Rel-17TSIMSUpdated 2026-07-25