Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-22183 specifications in series 26
Key features: RedCap enhancements, NR-NTN, XR enhancements, AI/ML for NG-RAN
All SeriesSeries 21Series 22Series 23Series 24Series 26Series 27Series 28Series 29Series 31Series 32Series 33Series 34Series 35Series 36Series 37Series 38
TS 26.254
Codec for Immersive Voice and Audio Services (IVAS); Rendering
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.255
Codec for Immersive Voice and Audio Services (IVAS); Error concealment of lost packets
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.256
Codec for Immersive Voice and Audio Services (IVAS); Jitter Buffer Management
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.258
Codec for Immersive Voice and Audio Services (IVAS); C code (floating-point)
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.259
Subjective test methodologies for the evaluation of immersive audio systems
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.260
Objective test methodologies for the evaluation of immersive audio systems
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.261
Terminal audio quality performance requirements for immersive audio services
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.264
IMS-based AR Real-Time Communication
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.267
eCall data transfer; In-band modem solution; General description
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.268
eCall data transfer; In-band modem solution; ANSI-C reference code
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.269
eCall data transfer; In-band modem solution; Conformance testing
Codecs & Media
Rel-18TSCodecs & 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-18TSCodecs & 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-18TSCodecs & MediaUpdated 2026-07-26
TS 26.281
Mission Critical Video (MCVideo); Codecs and media handling
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.290
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.304
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.307
Presentation layer for 3GPP services
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.346
Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.347
Multimedia Broadcast/Multicast Service (MBMS); Application Programming Interface and URL
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.348
Northbound Application Programming Interface (API) for Multimedia Broadcast/Multicast Service (MBMS) at the xMB reference point
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26