Release Rel-18
5G-AdvancedFirst 5G-Advanced release, extending 5G NR with AI/ML, non-terrestrial networks, and reduced-capability devices.
Frozen 2024-03-221,533 specifications
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 26.177
Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.179
Mission Critical Push To Talk (MCPTT); Codecs and media handling
Codecs & Media
Rel-18TSCodecs & 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-18TSCodecs & 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-18TSCodecs & MediaUpdated 2026-07-26
TS 26.192
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Comfort noise aspects
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.193
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Source controlled rate operation
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.194
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice Activity Detector (VAD)
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.201
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.202
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Interface to Iu, Uu and Nb
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.204
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.223
Telepresence using the IP Multimedia Subsystem (IMS); Media handling and interaction
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.226
Cellular text telephone modem; General description
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.230
Cellular text telephone modem; Transmitter bit exact C-code
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.231
Cellular text telephone modem; Minimum performance requirements
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.234
Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.237
IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.238
Uplink streaming
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.243
ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.244
Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26
TS 26.245
Transparent end-to-end Packet switched Streaming Service (PSS); Timed text format
Codecs & Media
Rel-18TSCodecs & MediaUpdated 2026-07-26