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 26.260
Objective test methodologies for the evaluation of immersive audio systems
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.267
eCall data transfer; In-band modem solution; General description
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.268
eCall data transfer; In-band modem solution; ANSI-C reference code
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.269
eCall data transfer; In-band modem solution; Conformance testing
Codecs & Media
Rel-15TSCodecs & 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-15TSCodecs & 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-15TSCodecs & MediaUpdated 2026-07-26
TS 26.281
Mission Critical Video (MCVideo); Codecs and media handling
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.290
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.304
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.307
Presentation layer for 3GPP services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.346
Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.347
Multimedia Broadcast/Multicast Service (MBMS); Application Programming Interface and URL
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.401
General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.402
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Additional decoder tools
Codecs & Media
Rel-15TSCodecs & 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-15TSCodecs & 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-15TSCodecs & 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-15TSCodecs & MediaUpdated 2026-07-26
TS 26.406
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Conformance testing
Codecs & Media
Rel-15TSCodecs & 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-15TSCodecs & 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-15TSCodecs & MediaUpdated 2026-07-26