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 26.936
Performance characterization of 3GPP audio codecs
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.937
Transparent end-to-end Packet-switched Streaming Service (PSS); Real-time Transport Protocol (RTP) usage model
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.938
Packet-switched Streaming Service (PSS); Improved support for dynamic adaptive streaming over HTTP in 3GPP
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.939
Guidelines on the Framework for Live Uplink Streaming (FLUS)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.943
Recognition performance evaluations of codecs for Speech Enabled Services (SES)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.944
End-to-end multimedia services performance metrics
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.946
Multimedia Broadcast/Multicast Service (MBMS) user service guidelines
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.947
Multimedia Broadcast/Multicast Service (MBMS); Selection and characterisation of application layer Forward Error Correction (FEC)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.948
Study on video enhancements in 3GPP multimedia services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
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