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 26.448
Codec for Enhanced Voice Services (EVS); Jitter Buffer Management
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.449
Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) aspects
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.450
Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.451
Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.453
Codec for Enhanced Voice Services (EVS); Speech codec frame structure
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.454
Codec for Enhanced Voice Services (EVS); Interface to Iu, Uu, Nb and Mb
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.818
Virtual Reality (VR) streaming audio; Characterization test results
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.843
Codec for Enhanced Voice Services (EVS); Study on non-bit-exact conformance criteria and tools for floating-point EVS codec
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.850
MBMS for Internet of Things (IoT)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.861
Investigations on test methodologies for immersive audio systems
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.881
Forward Error Correction (FEC) for Mission Critical Services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.891
5G enhanced mobile broadband; Media distribution
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.902
Video codec performance
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.903
Improved video support for Packet Switched Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) Services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.904
Improved video coding support
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.905
Mobile stereoscopic 3D video
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.906
Evaluation of High Efficiency Video Coding (HEVC) for 3GPP services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.907
HTML5 for a new presentation layer in 3GPP services
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.909
Study on improved streaming Quality of Experience (QoE) reporting in 3GPP services and networks
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26
TS 26.910
Study on media handling aspects of Radio Access Network (RAN) delay budget reporting in Multimedia Telephony Service for Internet Protocol (IP) Multimedia Subsystem (IMS) (MTSI)
Codecs & Media
Rel-15TSCodecs & MediaUpdated 2026-07-26