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26.131
Terminal acoustic characteristics for telephony; Requirements
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.131/26131-f20.zip
26.140
Multimedia Messaging Service (MMS); Media formats and codecs
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.140/26140-f00.zip
26.141
IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.141/26141-f00.zip
26.142
Dynamic and Interactive Multimedia Scenes (DIMS)
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.142/26142-f00.zip
26.132
Speech and video telephony terminal acoustic test specification
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.132/26132-f20.zip
26.171
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; General description
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.171/26171-f00.zip
26.150
Syndicated Feed Reception (SFR) within 3GPP environments; Protocols and codecs
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.150/26150-f00.zip
26.174
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec test sequences
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.174/26174-f00.zip
26.173
ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec
TS
15.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.173/26173-f10.zip
26.177
Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.177/26177-f00.zip
26.179
Mission Critical Push To Talk (MCPTT); Codecs and media handling
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.179/26179-f00.zip
26.190
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Transcoding functions
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.190/26190-f00.zip
26.192
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Comfort noise aspects
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.192/26192-f00.zip
26.191
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Error concealment of erroneous or lost frames
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.191/26191-f00.zip
26.193
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Source controlled rate operation
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.193/26193-f00.zip
26.201
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.201/26201-f00.zip
26.194
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice Activity Detector (VAD)
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.194/26194-f00.zip
26.204
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-f00.zip
26.223
Telepresence using the IP Multimedia Subsystem (IMS); Media handling and interaction
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.223/26223-f20.zip
26.226
Cellular text telephone modem; General description
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.226/26226-f00.zip
26.230
Cellular text telephone modem; Transmitter bit exact C-code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.230/26230-f00.zip
26.231
Cellular text telephone modem; Minimum performance requirements
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.231/26231-f00.zip
26.233
Transparent end-to-end Packet-switched Streaming service (PSS); General description
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.233/26233-f00.zip
The present document contains a general description of a transparent packet-switched streaming service in 3GPP-defined networks. In particular, it defines the usage scenarios, overall high-level end-to-end service concept, and lists terminal related functional components. It also lists any identified service interworking requirements.
26.202
Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Interface to Iu, Uu and Nb
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.202/26202-f00.zip
26.234
Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs
TS
15.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.234/26234-f10.zip
26.238
Uplink streaming
TS
15.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.238/26238-f10.zip
26.243
ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-f00.zip
26.237
IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.237/26237-f00.zip
26.245
Transparent end-to-end Packet switched Streaming Service (PSS); Timed text format
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.245/26245-f00.zip
26.244
Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP)
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.244/26244-f00.zip
26.246
Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.246/26246-f00.zip
26.247
Transparent end-to-end Packet-switched Streaming Service (PSS); Progressive Download and Dynamic Adaptive Streaming over HTTP (3GP-DASH)
TS
15.6.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.247/26247-f60.zip
26.259
Subjective test methodologies for the evaluation of immersive audio systems
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.259/26259-f00.zip
26.267
eCall data transfer; In-band modem solution; General description
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.267/26267-f00.zip
26.268
eCall data transfer; In-band modem solution; ANSI-C reference code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.268/26268-f00.zip
26.260
Objective test methodologies for the evaluation of immersive audio systems
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.260/26260-f20.zip
26.274
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec; Conformance testing
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.274/26274-f00.zip
26.269
eCall data transfer; In-band modem solution; Conformance testing
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.269/26269-f00.zip
26.273
ANSI-C code for the fixed-point Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.273/26273-f00.zip
26.281
Mission Critical Video (MCVideo); Codecs and media handling
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.281/26281-f00.zip
26.304
Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.304/26304-f00.zip
26.290
Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.290/26290-f00.zip
26.346
Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs
TS
15.5.2
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.346/26346-f52.zip
26.347
Multimedia Broadcast/Multicast Service (MBMS); Application Programming Interface and URL
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.347/26347-f20.zip
26.402
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Additional decoder tools
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.402/26402-f00.zip
26.401
General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.401/26401-f00.zip
26.307
Presentation layer for 3GPP services
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.307/26307-f00.zip
26.405
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification parametric stereo part
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.405/26405-f00.zip
26.404
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Enhanced aacPlus encoder Spectral Band Replication (SBR) part
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.404/26404-f00.zip
26.403
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification; Advanced Audio Coding (AAC) part
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.403/26403-f00.zip
26.406
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Conformance testing
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.406/26406-f00.zip
26.412
Source code for 3GP file format
TS
15.0.1
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.412/26412-f01.zip
26.411
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Fixed-point ANSI-C code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.411/26411-f00.zip
26.441
Codec for Enhanced Voice Services (EVS); General overview
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.441/26441-f00.zip
26.442
Codec for Enhanced Voice Services (EVS); ANSI C code (fixed-point)
TS
15.4.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.442/26442-f40.zip
26.410
General audio codec audio processing functions; Enhanced aacPlus general audio codec; Floating-point ANSI-C code
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.410/26410-f00.zip
26.443
Codec for Enhanced Voice Services (EVS); ANSI C code (floating-point)
TS
15.4.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.443/26443-f40.zip
26.444
Codec for Enhanced Voice Services (EVS); Test sequences
TS
15.4.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.444/26444-f40.zip
26.430
Timed graphics
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.430/26430-f00.zip
26.447
Codec for Enhanced Voice Services (EVS); Error concealment of lost packets
TS
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.447/26447-f20.zip
26.446
Codec for Enhanced Voice Services (EVS); Adaptive Multi-Rate - Wideband (AMR-WB) backward compatible functions
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.446/26446-f00.zip
26.450
Codec for Enhanced Voice Services (EVS); Discontinuous Transmission (DTX)
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.450/26450-f00.zip
26.449
Codec for Enhanced Voice Services (EVS); Comfort Noise Generation (CNG) aspects
TS
15.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.449/26449-f10.zip
26.451
Codec for Enhanced Voice Services (EVS); Voice Activity Detection (VAD)
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.451/26451-f00.zip
26.448
Codec for Enhanced Voice Services (EVS); Jitter Buffer Management
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.448/26448-f00.zip
26.818
Virtual Reality (VR) streaming audio; Characterization test results
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.818/26818-f00.zip
The present document is a collection of test results on candidate audio media profiles for VR streaming services over 3GPP. A brief description of the 3 tests characterizing the audio media profile performances is presented under clause 4. The following clauses provide the test results from the audio media profile proponent as well as those from the crosscheck labs. The four documented solutions are (in alphabetical order): - DTS-UHD - Metadata Assisted EVS Codec (MAEC) - OMAF 3D Audio Baseline Profile - Spatial AAC extension (spAACe)
26.454
Codec for Enhanced Voice Services (EVS); Interface to Iu, Uu, Nb and Mb
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.454/26454-f00.zip
26.850
MBMS for Internet of Things (IoT)
TR
1.5.1
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.850/26850-151.zip
The present document studies and evaluates the enhancements at the service layer to support massive file delivery for IoT devices. Devices and network entities operating in the typically constrained environment associated with IoT communications (e.g., processing power, storage, battery life, bandwidth) might support the simplified mechanisms and protocols for MBMS and associated unicast procedures as described in the present document, as opposed to the regular MBMS operations as defined in 3GPP TS 26.346. An IoT device described in the present document could be for instance a NB-IoT device or an eMTC device. The study considers the enhancements/simplifications in the following areas: - Define the requirements and constraints for different IoT device categories. - Review the existing multicast/broadcast service architecture in support of MBMS delivery to IoT devices.
26.843
Codec for Enhanced Voice Services (EVS); Study on non-bit-exact conformance criteria and tools for floating-point EVS codec
TR
1.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.843/26843-110.zip
The present document provides a study on the Conformance of Non Bit Exact implementation for EVS floating point standard in TS. 26.443. The study focuses on: - To investigate the behaviour of different implementations of the floating-point reference code (TS 26.443), for example, those built with different versions / settings of various compilers and running on various floating-point architectures. - To do the investigation using different test material, including clean speech, noisy speech, mixed/music content and taking into account interoperability aspects including floating-point - fixed-point and among various floating-point implementations. - To identify and propose reliable conformance criteria and methodologies that would be able to reject any undesirable deviation, i.e. bad implementation. - To develop one or more tools, in the form of scripts or executables, that could be used for determining acceptance/rejection based on the provided conformance criteria. - To develop any potential additional test vectors that would be needed. - To propose recommendation(s) on the suitability of the potential new non bit-exact conformance process for 3GPP services (e.g., gives carrier-grade quality).
26.881
Forward Error Correction (FEC) for Mission Critical Services
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.881/26881-f00.zip
The objective of the present document is to document the progress of the study item to investigate and recommend an FEC scheme for MCVideo that can be utilized equally by the two FEC procedures specified in 3GPP TS 23.280 [7]. The study will also consider whether the same or a similar scheme may be utilized for other MC services over MBMS (e.g. MCData – file download, or MCPTT group communications). The use of FEC is within the context of the MC services common functional architecture as explained in subclause 5.2.6 of 3GPP TS 23.280 [7]. This study item will build upon the existing stage-2 application architecture for MC services as defined in 3GPP TS 23.280 [7], 3GPP TS 23.281 [8], 3GPP TS 23.282 [9], and 3GPP TS 23.379 [10].
26.861
Investigations on test methodologies for immersive audio systems
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.861/26861-f00.zip
The present document aims to: 1) Identify a minimum set of relevant perceptual audio quality attributes (e.g. timbre, localization, overall quality, etc.) for the assessment of immersive audio systems relevant to 3GPP. 2) Identify available test methodologies for the perceptual audio quality attributes of interest and their applicability in the context of immersive audio systems relevant to 3GPP. 3) Document subjective and objective test methodologies for assessing the capturing, coding, transmission and rendering blocks of immersive audio systems. 4) Document the diverse considerations for the testing of immersive audio systems such as: a) Impacts of audio rendering systems b) Impacts of Head Related Transfer Functions (HRTFs) c) Impacts of simultaneous video presentation to the perceived audio quality / psychophysical response d) Use of naïve and/or experienced listeners e) Appropriate statistical methods for data analysis and reporting f) Repeatability and reproducibility
26.453
Codec for Enhanced Voice Services (EVS); Speech codec frame structure
TS
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.453/26453-f00.zip
26.891
5G enhanced mobile broadband; Media distribution
TR
1.4.1
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.891/26891-141.zip
The present document studies the evolution of media distribution with the development of 5G. It addresses the networking and the API aspects that effect the integration in the 5G System.
26.902
Video codec performance
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.902/26902-f00.zip
26.905
Mobile stereoscopic 3D video
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.905/26905-f00.zip
26.904
Improved video coding support
TR
15.0.1
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.904/26904-f01.zip
26.903
Improved video support for Packet Switched Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) Services
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.903/26903-f00.zip
26.907
HTML5 for a new presentation layer in 3GPP services
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.907/26907-f00.zip
26.906
Evaluation of High Efficiency Video Coding (HEVC) for 3GPP services
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.906/26906-f00.zip
26.911
Codec(s) for Circuit-Switched (CS) multimedia telephony service; Terminal implementor’s guide
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.911/26911-f00.zip
26.914
Multimedia telephony over IP Multimedia Subsystem (IMS); Optimization opportunities
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.914/26914-f00.zip
26.917
Multimedia Broadcast Multicast Services (MBMS) and Packet-switched Streaming Service (PSS) enhancements to support television services
TR
15.0.1
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.917/26917-f01.zip
26.918
Virtual Reality (VR) media services over 3GPP
TR
15.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.918/26918-f20.zip
26.909
Study on improved streaming Quality of Experience (QoE) reporting in 3GPP services and networks
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.909/26909-f00.zip
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)
TR
1.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.910/26910-110.zip
26.919
Study on media handling aspects of conversational services in 5G systems
TR
1.2.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.919/26919-120.zip
26.922
Video telephony robustness improvements extensions; Performance evaluation
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.922/26922-f00.zip
26.929
QoE parameters and metrics relevant to the Virtual Reality (VR) user experience
TR
0.9.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.929/26929-090.zip
26.924
Multimedia telephony over IP Multimedia Subsystem (IMS); Study on improved end-to-end Quality of Service (QoS) handling for Multimedia Telephony Service for IMS (MTSI)
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.924/26924-f00.zip
26.923
Study on media handling aspects of IP Multimedia Subsystem (IMS) based telepresence
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.923/26923-f00.zip
26.931
Evaluation of Additional Acoustic Tests for Speech Telephony
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.931/26931-f00.zip
26.935
Packet Switched (PS) conversational multimedia applications; Performance characterisation of default codecs
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.935/26935-f00.zip
26.938
Packet-switched Streaming Service (PSS); Improved support for dynamic adaptive streaming over HTTP in 3GPP
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.938/26938-f00.zip
26.939
Guidelines on the Framework for Live Uplink Streaming (FLUS)
TR
15.1.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.939/26939-f10.zip
26.936
Performance characterization of 3GPP audio codecs
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.936/26936-f00.zip
26.937
Transparent end-to-end Packet-switched Streaming Service (PSS); Real-time Transport Protocol (RTP) usage model
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.937/26937-f00.zip
26.943
Recognition performance evaluations of codecs for Speech Enabled Services (SES)
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.943/26943-f00.zip
26.949
Video formats for 3GPP services
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.949/26949-f00.zip
26.944
End-to-end multimedia services performance metrics
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.944/26944-f00.zip
26.947
Multimedia Broadcast/Multicast Service (MBMS); Selection and characterisation of application layer Forward Error Correction (FEC)
TR
15.0.0
S4
https://www.3gpp.org/ftp/Specs/archive/26_series/26.947/26947-f00.zip