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 26.976
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
TS 27.001
General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS)
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.002
Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.003
Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.005
Use of Data Terminal Equipment - Data Circuit terminating Equipment (DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS)
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.007
AT command set for User Equipment (UE)
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.010
Terminal Equipment to User Equipment (TE-UE) multiplexer protocol
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 27.060
Packet domain; Mobile Station (MS) supporting Packet Switched services
Data
Rel-15TSData ServicesUpdated 2026-07-26
TS 28.062
Inband Tandem Free Operation (TFO) of speech codecs; Service description; Stage 3
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.201
Telecommunication Management; Charging Management; Charging Data Record (CDR) Transfer
Management
Rel-15TSOAM & ChargingUpdated 2018-06-15
TS 28.301
Telecommunication management; Licensed Shared Access (LSA) Controller (LC) Integration Reference Point (IRP); Requirements
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.302
Telecommunication management; Licensed Shared Access (LSA) Controller (LC) Integration Reference Point (IRP); Information Service (IS)
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.303
Telecommunication management; Licensed Shared Access (LSA) Controller (LC) Integration Reference Point (IRP); Solution Set (SS) definitions
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.304
Control and monitoring of Power, Energy and Environmental (PEE) parameters Integration Reference Point (IRP); Requirements
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26
TS 28.305
Control and monitoring of Power, Energy and Environmental (PEE) parameters Integration Reference Point (IRP); Information Service (IS)
Management
Rel-15TSOAM & ChargingUpdated 2026-07-26