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 26.402
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Additional decoder tools
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.403
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification; Advanced Audio Coding (AAC) part
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.404
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Enhanced aacPlus encoder Spectral Band Replication (SBR) part
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.405
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification parametric stereo part
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.406
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Conformance testing
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.410
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Floating-point ANSI-C code
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.411
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Fixed-point ANSI-C code
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.412
Source code for 3GP file format
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.430
Timed graphics
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.441
Codec for Enhanced Voice Services (EVS); General overview
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.442
Codec for Enhanced Voice Services (EVS); ANSI C code (fixed-point)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.443
Codec for Enhanced Voice Services (EVS); ANSI C code (floating-point)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.444
Codec for Enhanced Voice Services (EVS); Test sequences
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.445
Codec for Enhanced Voice Services (EVS); Detailed algorithmic description
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.446
Codec for Enhanced Voice Services (EVS); Adaptive Multi-Rate - Wideband (AMR-WB) backward compatible functions
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.447
Codec for Enhanced Voice Services (EVS); Error concealment of lost packets
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.448
Codec for Enhanced Voice Services (EVS); Jitter Buffer Management
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.449
Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) aspects
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.450
Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26
TS 26.451
Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)
Codecs & Media
Rel-17TSCodecs & MediaUpdated 2026-07-26