Release Rel-15
5G NRThe foundational 5G New Radio release, defining the NR air interface and 5G core.
Frozen 2018-06-14137 specifications in series 26
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 26.949
Video formats for 3GPP services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.950
Study on Surround Sound codec extension for Packet Switched Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.952
Codec for Enhanced Voice Services (EVS); Performance characterization
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.953
Interactivity support for 3GPP-based streaming and download services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.954
Test plan for speech quality and delay through a headset electrical interface
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.957
Study on Server And Network-assisted Dynamic Adaptive Streaming over HTTP (DASH) (SAND) for 3GPP multimedia services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.959
Study on enhanced Voice over LTE (VoLTE) performance
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.967
eCall data transfer; In-band modem solution
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.969
eCall data transfer; In-band modem solution; Characterization report
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.973
Update to fixed-point basic operators
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.975
Performance characterization of the Adaptive Multi-Rate (AMR) speech codec
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.976
Performance characterization of the Adaptive Multi-Rate Wideband (AMR-WB) speech codec
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.978
Results of the Adaptive Multi-Rate (AMR) noise suppression selection phase
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.980
Multimedia telephony over IP Multimedia Subsystem (IMS); Media handling aspects of multi-stream multiparty conferencing for Multimedia Telephony Service for IMS (MTSI)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.981
MBMS Extensions for Provisioning and Content Ingestion
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.985
Vehicle-to-everything (V2X); Media handling and interaction
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.989
Mission Critical Push To Talk (MCPTT); Media, codecs and Multimedia Broadcast/Multicast Service (MBMS) enhancements for MCPTT over LTE
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26