TR · Series 25 · RP
TR 25.996
Spatial channel model for Multiple Input Multiple Output (MIMO) simulations
Under change controlRel-6
Canonical specification directory
3GPP specifications
A crawlable, machine-friendly directory of all specifications currently indexed by 3GPP Atlas. Official identity metadata is kept distinct from Atlas classifications and inferred relationships.
Showing 1801–2000 of 4,503 indexed records · page 10 of 23.
TR · Series 25 · R3
TR 25.997
(provisionally reserved for: Remote control of electrical tilting antennas) - TP-20: number not used, bacame 25.802.
Withdrawn before change controlRel-7
TR · Series 25 · R2
TR 25.998
UTRAN recommendation and UE allowance for non-essential corrections of a feature made only in a later release
Withdrawn before change controlRel-6
TR · Series 25 · RP
TR 25.999
High Speed Packet Access (HSPA) evolution; Frequency Division Duplex (FDD)
Under change controlRel-7
TS · Series 26 · S4
TS 26.071
Mandatory speech CODEC speech processing functions; AMR speech Codec; General description
Under change controlRel-4
Under change controlRel-4
TS · Series 26 · S4
TS 26.074
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec test sequences
Under change controlRel-4
TS · Series 26 · WG not indexed
TS 26.075
Performance characterization of the Adaptive Multi-Rate (AMR) speech codec
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.077
Minimum performance requirements for Noise Suppresser; Application to the Adaptive Multi-Rate (AMR) speech encoder
Under change controlRel-4
Withdrawn under change controlRel-4
TS · Series 26 · S4
TS 26.090
Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Transcoding functions
Under change controlRel-4
TS · Series 26 · S4
TS 26.091
Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Error concealment of lost frames
Under change controlRel-4
TS · Series 26 · S4
TS 26.092
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Comfort noise aspects
Under change controlRel-4
TS · Series 26 · S4
TS 26.093
Mandatory speech codec speech processing functions Adaptive Multi-Rate (AMR) speech codec; Source controlled rate operation
Under change controlRel-4
TS · Series 26 · S4
TS 26.094
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Voice Activity Detector (VAD)
Under change controlRel-4
TS · Series 26 · S4
TS 26.101
Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure
Under change controlRel-4
TS · Series 26 · S4
TS 26.102
Mandatory speech codec; Adaptive Multi-Rate (AMR) speech codec; Interface to Iu, Uu and Nb
Under change controlRel-4
Under change controlRel-4
TS · Series 26 · S4
TS 26.104
ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec
Under change controlRel-4
TS · Series 26 · S4
TS 26.110
Codec for circuit switched multimedia telephony service; General description
Under change controlRel-4
TS · Series 26 · S4
TS 26.111
Codec for circuit switched multimedia telephony service; Modifications to H.324
Under change controlRel-4
TS · Series 26 · S4
TS 26.112
Codec(s) for Circuit Switched Multimedia Telephony Service; Call Set-up Requirements
Withdrawn before change controlRelease 1999
Under change controlRel-18
TS · Series 26 · S4
TS 26.114
IP Multimedia Subsystem (IMS); Multimedia Telephony; Media handling and interaction
Under change controlRel-7
Under change controlRel-4
Under change controlRel-13
Under change controlRel-16
Under change controlRel-15
Under change controlRel-18
TS · Series 26 · WG not indexed
TS 26.121
Technical Specification for Tandem Free Operation within 3G networks
Withdrawn before change controlRelease 1999
TS · Series 26 · WG not indexed
TS 26.122
Technical Specification for Tandem Free Operation between 3G and 2G networks
Withdrawn before change controlRelease 1999
Under change controlRel-18
Under change controlRel-4
Under change controlRel-4
Withdrawn before change controlRelease 1999
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.135
Terminal Display and Camera Characteristics for H.324 Narrow-band Video Telephony
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.136
Terminal Display and Camera Test Specifications for H.324 Narrow-band Video Telephony
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.137
Terminal Display and Camera Characteristics for H.323 Narrow-band Video Telephony
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.138
Terminal Display and Camera Test Specifications for H.323 Narrow-band Video Telephony
Withdrawn before change controlRelease 1999
TS · Series 26 · S4
TS 26.139
Real-time Transport Protocol (RTP) / RTP Control Protocol (RTCP) verification procedures
Under change controlRel-16
Under change controlRel-5
TS · Series 26 · S4
TS 26.141
IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs
Under change controlRel-6
Under change controlRel-7
Under change controlRel-18
TS · Series 26 · S4
TS 26.150
Syndicated Feed Reception (SFR) within 3GPP environments; Protocols and codecs
Under change controlRel-9
TS · Series 26 · WG not indexed
TS 26.15U
Source coding aspects Aspects; Integration of audio visual coding into UMTS
Withdrawn before change controlUMTS
TS · Series 26 · S4
TS 26.171
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; General description
Under change controlRel-5
TS · Series 26 · S4
TS 26.173
ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
Under change controlRel-5
TS · Series 26 · S4
TS 26.174
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec test sequences
Under change controlRel-5
TS · Series 26 · S4
TS 26.177
Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences
Under change controlRel-6
Under change controlRel-13
TS · Series 26 · S4
TS 26.190
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Transcoding functions
Under change controlRel-5
TS · Series 26 · S4
TS 26.191
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Error concealment of erroneous or lost frames
Under change controlRel-5
TS · Series 26 · S4
TS 26.192
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Comfort noise aspects
Under change controlRel-5
TS · Series 26 · S4
TS 26.193
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Source controlled rate operation
Under change controlRel-5
TS · Series 26 · S4
TS 26.194
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice Activity Detector (VAD)
Under change controlRel-5
TS · Series 26 · S4
TS 26.201
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure
Under change controlRel-5
TS · Series 26 · S4
TS 26.202
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Interface to Iu, Uu and Nb
Under change controlRel-5
TS · Series 26 · S4
TS 26.204
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code
Under change controlRel-5
TS · Series 26 · S4
TS 26.223
Telepresence using the IP Multimedia Subsystem (IMS); Media handling and interaction
Under change controlRel-13
Under change controlRel-4
Under change controlRel-4
Under change controlRel-5
TS · Series 26 · S4
TS 26.233
Transparent end-to-end Packet-switched Streaming service (PSS); General description
Under change controlRel-4
TS · Series 26 · S4
TS 26.234
Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs
Under change controlRel-4
Under change controlRel-4
TS · Series 26 · S4
TS 26.236
Packet switched conversational multimedia applications; Transport protocols
Under change controlRel-5
TS · Series 26 · S4
TS 26.237
IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols
Under change controlRel-8
Under change controlRel-15
TS · Series 26 · S4
TS 26.243
ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end
Under change controlRel-6
TS · Series 26 · S4
TS 26.244
Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)
Under change controlRel-6
TS · Series 26 · S4
TS 26.245
Transparent end-to-end Packet switched Streaming Service (PSS); Timed text format
Under change controlRel-6
TS · Series 26 · S4
TS 26.246
Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile
Under change controlRel-6
TS · Series 26 · S4
TS 26.247
Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)
Under change controlRel-10
TS · Series 26 · S4
TS 26.249
Immersive Audio for Split Rendering Scenarios; Detailed Algorithmic Description of Split Rendering Functions
Under change controlRel-18
Under change controlRel-18
TS · Series 26 · S4
TS 26.251
Codec for Immersive Voice and Audio Services (IVAS); C code (fixed-point)
Under change controlRel-18
Under change controlRel-18
TS · Series 26 · S4
TS 26.253
Codec for Immersive Voice and Audio Services (IVAS); Detailed Algorithmic Description including RTP payload format and SDP parameter definitions
Under change controlRel-18
Under change controlRel-18
TS · Series 26 · S4
TS 26.255
Codec for Immersive Voice and Audio Services (IVAS); Error concealment of lost packets
Under change controlRel-18
TS · Series 26 · S4
TS 26.256
Codec for Immersive Voice and Audio Services (IVAS); Jitter Buffer Management
Under change controlRel-18
TS · Series 26 · S4
TS 26.258
Codec for Immersive Voice and Audio Services (IVAS); C code (floating-point)
Under change controlRel-18
TS · Series 26 · S4
TS 26.259
Subjective test methodologies for the evaluation of immersive audio systems
Under change controlRel-15
TS · Series 26 · S4
TS 26.260
Objective test methodologies for the evaluation of immersive audio systems
Under change controlRel-15
TS · Series 26 · S4
TS 26.261
Terminal audio quality performance requirements for immersive audio services
Under change controlRel-17
Under change controlRel-18
Under change controlRel-19
Under change controlRel-8
Under change controlRel-8
Under change controlRel-8
TS · Series 26 · S4
TS 26.273
ANSI-C code for the fixed-point Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec
Under change controlRel-6
TS · Series 26 · S4
TS 26.274
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec; Conformance testing
Under change controlRel-6
Under change controlRel-14
TS · Series 26 · S4
TS 26.290
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions
Under change controlRel-6
TS · Series 26 · S4
TS 26.304
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code
Under change controlRel-6
Under change controlRel-13
Under change controlRel-6
TS · Series 26 · S4
TS 26.347
Multimedia Broadcast/Multicast Service (MBMS); Application Programming Interface and URL
Under change controlRel-14
TS · Series 26 · S4
TS 26.348
Northbound Application Programming Interface (API) for Multimedia Broadcast/Multicast Service (MBMS) at the xMB reference point
Under change controlRel-16
TS · Series 26 · S4
TS 26.401
General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description
Under change controlRel-6
TS · Series 26 · S4
TS 26.402
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Additional decoder tools
Under change controlRel-6
TS · Series 26 · S4
TS 26.403
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification; Advanced Audio Coding (AAC) part
Under change controlRel-6
TS · Series 26 · S4
TS 26.404
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Enhanced aacPlus encoder Spectral Band Replication (SBR) part
Under change controlRel-6
TS · Series 26 · S4
TS 26.405
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification parametric stereo part
Under change controlRel-6
TS · Series 26 · S4
TS 26.406
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Conformance testing
Under change controlRel-6
TS · Series 26 · S4
TS 26.410
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Floating-point ANSI-C code
Under change controlRel-6
TS · Series 26 · S4
TS 26.411
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Fixed-point ANSI-C code
Under change controlRel-6
Under change controlRel-6
Under change controlRel-9
Under change controlRel-12
Under change controlRel-12
Under change controlRel-12
Under change controlRel-12
TS · Series 26 · S4
TS 26.445
Codec for Enhanced Voice Services (EVS); Detailed algorithmic description
Under change controlRel-12
TS · Series 26 · S4
TS 26.446
Codec for Enhanced Voice Services (EVS); Adaptive Multi-Rate - Wideband (AMR-WB) backward compatible functions
Under change controlRel-12
TS · Series 26 · S4
TS 26.447
Codec for Enhanced Voice Services (EVS); Error concealment of lost packets
Under change controlRel-12
Under change controlRel-12
TS · Series 26 · S4
TS 26.449
Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) aspects
Under change controlRel-12
TS · Series 26 · S4
TS 26.450
Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)
Under change controlRel-12
Under change controlRel-12
TS · Series 26 · S4
TS 26.452
Codec for Enhanced Voice Services (EVS); ANSI C code; Alternative fixed-point using updated basic operators
Under change controlRel-16
Under change controlRel-13
Under change controlRel-13
Under change controlRel-16
Under change controlRel-17
Under change controlRel-18
TS · Series 26 · S4
TS 26.510
Media delivery; interactions and APIs for provisioning and media session handling
Under change controlRel-18
Under change controlRel-16
Under change controlRel-16
Under change controlRel-17
Under change controlRel-18
TS · Series 26 · S4
TS 26.527
Protocols, network APIs and data types for application energy consumption information collection and reporting; Stage 3
DraftRel-20
Under change controlRel-17
Under change controlRel-17
DraftRel-20
TS · Series 26 · S4
TS 26.541
Ultra Low Bitrate Speech Codec (ULBC); C reference software and model formats
DraftRel-20
DraftRel-20
TS · Series 26 · S4
TS 26.543
Ultra Low Bitrate Speech Codec (ULBC); RTP payload format and SDP parameters
DraftRel-20
TS · Series 26 · S4
TS 26.544
Ultra Low Bitrate Speech Codec (ULBC); DTX framework including VAD and CNG
DraftRel-20
Under change controlRel-18
DraftRel-18
Under change controlRel-19
TR · Series 26 · S4
TR 26.801
User Equipment (UE) supporting handset mode with non-traditional earpieces
Under change controlRel-16
Under change controlRel-17
Under change controlRel-17
Under change controlRel-17
Under change controlRel-17
Under change controlRel-18
Under change controlRel-18
Under change controlRel-18
DraftRel-20
Under change controlRel-15
Under change controlRel-19
Under change controlRel-19
TR · Series 26 · S4
TR 26.823
Study on usage of dynamically changing traffic characteristics and enhanced QoS support in 5GS for media applications and services
DraftRel-20
TR · Series 26 · S4
TR 26.827
IP Multimedia Subsystem (IMS) based streaming and download delivery enhancements
Under change controlRel-12
TR · Series 26 · S4
TR 26.830
Study on the enhancement for Immersive Real-Time communication for WebRTC; Phase 2
Under change controlRel-19
TR · Series 26 · S4
TR 26.835
Study on evaluation of QUIC-based streaming protocols for on-demand and live video services
DraftRel-20
TR · Series 26 · S4
TR 26.836
Study on QUIC-based media delivery solutions for real-time communication
DraftRel-20
Under change controlRel-19
TR · Series 26 · S4
TR 26.843
Codec for Enhanced Voice Services (EVS); Study on non-bit-exact conformance criteria and tools for floating-point EVS codec
Under change controlRel-15
TR · Series 26 · S4
TR 26.847
Evaluation of Artificial Intelligence and Machine learning in 5G media services
Under change controlRel-18
Under change controlRel-12
TR · Series 26 · S4
TR 26.849
Multimedia Broadcast/Multicast Service (MBMS) improvements; MBMS operation on demand
Under change controlRel-12
Under change controlRel-15
TR · Series 26 · S4
TR 26.851
Enhancements to Multimedia (EMM); Download Delivery Enhancements (DDE) and IMS-based PSS and MBMS streaming synchronization Enhancements (IPME) aspects
Under change controlRel-11
Under change controlRel-13
Under change controlRel-19
Under change controlRel-19
Under change controlRel-17
Under change controlRel-19
Under change controlRel-15
TR · Series 26 · S4
TR 26.862
Immersive Teleconferencing and Telepresence for Remote Terminals (ITT4RT) Use Cases, Requirements and Potential Solutions
Under change controlRel-17
Under change controlRel-18
TR · Series 26 · S4
TR 26.866
Immersive Audio for Split Rendering Scenarios; Performance characterization
DraftRel-18
DraftRel-20
TR · Series 26 · S4
TR 26.879
Mission Critical Push To Talk (MCPTT); Media, codecs and Multimedia Broadcast/Multicast Service (MBMS) enhancements for MCPTT over LTE
Withdrawn under change controlRel-13
Under change controlRel-14
Under change controlRel-15
Under change controlRel-15
DraftRel-20
TR · Series 26 · S4
TR 26.901
Adaptive Multi-Rate Wideband (AMR-WB) speech codec; Feasibility study report
Under change controlRel-4
Under change controlRel-7
TR · Series 26 · S4
TR 26.903
Improved video support for Packet Switched Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) Services
Under change controlRel-9
Under change controlRel-10
Under change controlRel-11
Under change controlRel-12
Under change controlRel-12
Withdrawn before change controlRel-13
TR · Series 26 · S4
TR 26.909
Study on improved streaming Quality of Experience (QoE) reporting in 3GPP services and networks
Under change controlRel-14
TR · Series 26 · S4
TR 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)
Under change controlRel-15
TR · Series 26 · S4
TR 26.911
Codec(s) for Circuit-Switched (CS) multimedia telephony service; Terminal implementor’s guide
Under change controlRel-4
TR · Series 26 · S4
TR 26.912
Codec for Circuit switched Multimedia Telephony Service; Quantitative performance evaluation of H.324 Annex C over 3G
Under change controlRel-4
TR · Series 26 · S4
TR 26.913
Quantitative performance evaluation of real-time packet switched multimedia services over 3G
Withdrawn before change controlRelease 1999
TR · Series 26 · S4
TR 26.914
Multimedia telephony over IP Multimedia Subsystem (IMS); Optimization opportunities
Under change controlRel-7
Under change controlRelease 1999
Under change controlRel-13
TR · Series 26 · S4
TR 26.917
Multimedia Broadcast Multicast Services (MBMS) and Packet-switched Streaming Service (PSS) enhancements to support television services
Under change controlRel-14