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 26.104
ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.110
Codec for circuit switched multimedia telephony service; General description
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.111
Codec for circuit switched multimedia telephony service; Modifications to H.324
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.114
IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.115
Echo control for speech and multimedia services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.116
Television (TV) over 3GPP services; Video profiles
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.118
Virtual Reality (VR) profiles for streaming applications
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.131
Terminal acoustic characteristics for telephony; Requirements
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.132
Speech and video telephony terminal acoustic test specification
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.140
Multimedia Messaging Service (MMS); Media formats and codecs
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.141
IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.142
Dynamic and Interactive Multimedia Scenes (DIMS)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.150
Syndicated Feed Reception (SFR) within 3GPP environments; Protocols and codecs
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.171
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; General description
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.173
ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.174
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec test sequences
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.177
Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.179
Mission Critical Push To Talk (MCPTT); Codecs and media handling
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.190
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Transcoding functions
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.191
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Error concealment of erroneous or lost frames
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26