Release Rel-17
5G NRExtends 5G NR to new device classes and satellite access.
Frozen 2022-03-23157 specifications in series 26
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 26.226
Cellular text telephone modem; General description
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.230
Cellular text telephone modem; Transmitter bit exact C-code
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.231
Cellular text telephone modem; Minimum performance requirements
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.234
Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.237
IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.238
Uplink streaming
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.243
ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.244
Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.245
Transparent end-to-end Packet switched Streaming Service (PSS); Timed text format
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.246
Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.247
Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.259
Subjective test methodologies for the evaluation of immersive audio systems
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.260
Objective test methodologies for the evaluation of immersive audio systems
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.261
Terminal audio quality performance requirements for immersive audio services
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.267
eCall data transfer; In-band modem solution; General description
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.268
eCall data transfer; In-band modem solution; ANSI-C reference code
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.269
eCall data transfer; In-band modem solution; Conformance testing
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.273
ANSI-C code for the fixed-point Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.274
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec; Conformance testing
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.281
Mission Critical Video (MCVideo); Codecs and media handling
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26