id stringlengths 5 12 | title stringlengths 8 250 | type stringclasses 2
values | version stringclasses 560
values | working_group stringclasses 30
values | url stringlengths 67 81 | scope stringlengths 0 65.7k |
|---|---|---|---|---|---|---|
25.942 | Radio Frequency (RF) system scenarios | TR | 8.0.0 | R4 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.942/25942-800.zip | |
25.943 | Deployment aspects | TR | 8.0.0 | R4 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.943/25943-800.zip | |
25.931 | UTRAN functions, examples on signalling procedures | TR | 8.0.0 | R3 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.931/25931-800.zip | |
25.963 | Feasibility study on interference cancellation for UTRA FDD User Equipment (UE) | TR | 8.0.0 | R4 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.963/25963-800.zip | |
25.956 | Universal Terrestrial Radio Access (UTRA) repeater planning guidelines and system analysis | TR | 8.0.0 | R4 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.956/25956-800.zip | |
25.967 | Home Node B (HNB) Radio Frequency (RF) requirements (FDD) | TR | 8.0.1 | R4 | https://www.3gpp.org/ftp/Specs/archive/25_series/25.967/25967-801.zip | |
25.993 | Typical examples of Radio Access Bearers (RABs) and Radio Bearers (RBs) supported by Universal Terrestrial Radio Access (UTRA) | TR | 8.5.0 | RP | https://www.3gpp.org/ftp/Specs/archive/25_series/25.993/25993-850.zip | |
25.992 | Multimedia Broadcast/Multicast Service (MBMS); UTRAN/GERAN requirements | TR | 8.0.0 | RP | https://www.3gpp.org/ftp/Specs/archive/25_series/25.992/25992-800.zip | |
26.071 | Mandatory speech CODEC speech processing functions; AMR speech Codec; General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.071/26071-800.zip | |
26.073 | ANSI-C code for the Adaptive Multi Rate (AMR) speech codec | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.073/26073-800.zip | |
26.074 | Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec test sequences | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.074/26074-800.zip | |
26.077 | Minimum performance requirements for Noise Suppresser; Application to the Adaptive Multi-Rate (AMR) speech encoder | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.077/26077-800.zip | |
26.093 | Mandatory speech codec speech processing functions Adaptive Multi-Rate (AMR) speech codec; Source controlled rate operation | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.093/26093-800.zip | |
26.091 | Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Error concealment of lost frames | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.091/26091-800.zip | |
25.996 | Spatial channel model for Multiple Input Multiple Output (MIMO) simulations | TR | 8.0.0 | RP | https://www.3gpp.org/ftp/Specs/archive/25_series/25.996/25996-800.zip | |
26.090 | Mandatory Speech Codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Transcoding functions | TS | 8.1.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.090/26090-810.zip | |
26.101 | Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec frame structure | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.101/26101-800.zip | |
26.104 | ANSI-C code for the floating-point Adaptive Multi-Rate (AMR) speech codec | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.104/26104-800.zip | |
26.110 | Codec for circuit switched multimedia telephony service; General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.110/26110-800.zip | |
26.111 | Codec for circuit switched multimedia telephony service; Modifications to H.324 | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.111/26111-800.zip | |
26.103 | Speech codec list for GSM and UMTS | TS | 8.2.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.103/26103-820.zip | |
26.092 | Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Comfort noise aspects | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.092/26092-800.zip | |
26.102 | Mandatory speech codec; Adaptive Multi-Rate (AMR) speech codec; Interface to Iu, Uu and Nb | TS | 8.5.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.102/26102-850.zip | |
26.131 | Terminal acoustic characteristics for telephony; Requirements | TS | 8.3.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.131/26131-830.zip | |
26.132 | Speech and video telephony terminal acoustic test specification | TS | 8.3.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.132/26132-830.zip | |
26.140 | Multimedia Messaging Service (MMS); Media formats and codecs | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.140/26140-800.zip | |
26.141 | IP Multimedia System (IMS) Messaging and Presence; Media formats and codecs | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.141/26141-800.zip | |
26.142 | Dynamic and Interactive Multimedia Scenes (DIMS) | TS | 8.2.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.142/26142-820.zip | |
26.171 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.171/26171-800.zip | |
26.094 | Mandatory speech codec speech processing functions; Adaptive Multi-Rate (AMR) speech codec; Voice Activity Detector (VAD) | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.094/26094-800.zip | |
26.174 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec test sequences | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.174/26174-800.zip | |
26.173 | ANSI-C code for the Adaptive Multi-Rate - Wideband (AMR-WB) speech codec | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.173/26173-800.zip | |
26.192 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Comfort noise aspects | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.192/26192-800.zip | |
26.190 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Transcoding functions | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.190/26190-800.zip | |
26.115 | Echo control for speech and multimedia services | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.115/26115-800.zip | |
26.191 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Error concealment of erroneous or lost frames | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.191/26191-800.zip | |
26.177 | Speech Enabled Services (SES); Distributed Speech Recognition (DSR) extended advanced front-end test sequences | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.177/26177-800.zip | |
26.201 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Frame structure | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.201/26201-800.zip | |
26.194 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Voice Activity Detector (VAD) | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.194/26194-800.zip | |
26.204 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; ANSI-C code | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.204/26204-800.zip | |
26.202 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Interface to Iu, Uu and Nb | TS | 8.0.1 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.202/26202-801.zip | |
26.193 | Speech codec speech processing functions; Adaptive Multi-Rate - Wideband (AMR-WB) speech codec; Source controlled rate operation | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.193/26193-800.zip | |
26.226 | Cellular text telephone modem; General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.226/26226-800.zip | |
26.230 | Cellular text telephone modem; Transmitter bit exact C-code | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.230/26230-800.zip | |
26.234 | Transparent end-to-end Packet-switched Streaming Service (PSS); Protocols and codecs | TS | 8.4.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.234/26234-840.zip | |
26.233 | Transparent end-to-end Packet-switched Streaming service (PSS); General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.233/26233-800.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. |
26.236 | Packet switched conversational multimedia applications; Transport protocols | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.236/26236-800.zip | The present document introduces the required protocols for packet switched conversational multimedia applications within 3GPP IP Multimedia Subsystem. Visual and sound communications are specifically addressed. The intended applications are assumed to require low-delay, real-time functionality.
The present document describes the required protocol related elements for 3G PS multimedia terminal:
• required SDP signalling regarding the media type bit rate, packet size, packet transport frequency;
• usage of RTP payload for media types;
• bandwidth adaptation;
• QoS negotiation.
The present document is applicable, but not limited, to packet switched video telephony. All media handling, including codecs, for Multimedia Telephony Service for IMS (MTSI) service is defined in [35]. This specification does not apply to MTSI.
The applicability of the present document to GERAN is FFS. |
26.235 | Packet switched conversational multimedia applications; Default codecs | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.235/26235-800.zip | The present document introduces the set of default codecs for packet switched conversational multimedia applications within 3GPP IP Multimedia Subsystem. Visual and sound communication are specifically addressed. The intended applications are assumed to require low-delay, real-time functionality.
The present document is applicable, but not limited, to services such as PS video telephony and Push to talk over Cellular (PoC) as well as Combined CS and IMS services (CSI). For Multimedia Telepphony Service for IMS (MTSI), all media handling, including codecs, is defined in TS 26.114 [50]. This specification does not apply for MTSI.
The applicability of this specification to GERAN is FFS. |
26.243 | ANSI-C code for the fixed-point distributed speech recognition extended advanced front-end | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.243/26243-800.zip | |
26.246 | Transparent end-to-end Packet-switched Streaming Service (PSS); 3GPP SMIL language profile | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.246/26246-800.zip | |
26.231 | Cellular text telephone modem; Minimum performance requirements | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.231/26231-800.zip | |
26.237 | IP Multimedia Subsystem (IMS) based Packet Switch Streaming (PSS) and Multimedia Broadcast/Multicast Service (MBMS) User Service; Protocols | TS | 8.7.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.237/26237-870.zip | |
26.245 | Transparent end-to-end Packet switched Streaming Service (PSS); Timed text format | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.245/26245-800.zip | |
26.268 | eCall data transfer; In-band modem solution; ANSI-C reference code | TS | 8.6.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.268/26268-860.zip | |
26.244 | Transparent end-to-end packet switched streaming service (PSS); 3GPP file format (3GP) | TS | 8.2.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.244/26244-820.zip | |
26.267 | eCall data transfer; In-band modem solution; General description | TS | 8.6.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.267/26267-860.zip | |
26.269 | eCall data transfer; In-band modem solution; Conformance testing | TS | 8.3.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.269/26269-830.zip | |
26.273 | ANSI-C code for the fixed-point Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.273/26273-800.zip | |
26.274 | Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) speech codec; Conformance testing | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.274/26274-800.zip | |
26.290 | Audio codec processing functions; Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Transcoding functions | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.290/26290-800.zip | |
26.346 | Multimedia Broadcast/Multicast Service (MBMS); Protocols and codecs | TS | 8.7.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.346/26346-870.zip | |
26.304 | Extended Adaptive Multi-Rate - Wideband (AMR-WB+) codec; Floating-point ANSI-C code | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.304/26304-800.zip | |
26.403 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification; Advanced Audio Coding (AAC) part | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.403/26403-800.zip | |
26.401 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; General description | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.401/26401-800.zip | |
26.405 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Encoder specification parametric stereo part | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.405/26405-800.zip | |
26.404 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Enhanced aacPlus encoder Spectral Band Replication (SBR) part | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.404/26404-800.zip | |
26.410 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Floating-point ANSI-C code | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.410/26410-800.zip | |
26.411 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Fixed-point ANSI-C code | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.411/26411-800.zip | |
26.412 | Source code for 3GP file format | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.412/26412-800.zip | |
26.406 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Conformance testing | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.406/26406-800.zip | |
26.911 | Codec(s) for Circuit-Switched (CS) multimedia telephony service; Terminal implementor’s guide | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.911/26911-800.zip | |
26.902 | Video codec performance | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.902/26902-800.zip | |
26.402 | General audio codec audio processing functions; Enhanced aacPlus general audio codec; Additional decoder tools | TS | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.402/26402-800.zip | |
26.936 | Performance characterization of 3GPP audio codecs | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.936/26936-800.zip | |
26.937 | Transparent end-to-end Packet-switched Streaming Service (PSS); Real-time Transport Protocol (RTP) usage model | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.937/26937-800.zip | |
26.914 | Multimedia telephony over IP Multimedia Subsystem (IMS); Optimization opportunities | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.914/26914-800.zip | |
26.935 | Packet Switched (PS) conversational multimedia applications; Performance characterisation of default codecs | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.935/26935-800.zip | |
26.943 | Recognition performance evaluations of codecs for Speech Enabled Services (SES) | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.943/26943-800.zip | |
26.944 | End-to-end multimedia services performance metrics | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.944/26944-800.zip | |
26.946 | Multimedia Broadcast/Multicast Service (MBMS) user service guidelines | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.946/26946-800.zip | |
26.967 | eCall data transfer; In-band modem solution | TR | 8.0.1 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.967/26967-801.zip | |
26.969 | eCall data transfer; In-band modem solution; Characterization report | TR | 8.2.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.969/26969-820.zip | |
26.975 | Performance characterization of the Adaptive Multi-Rate (AMR) speech codec | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.975/26975-800.zip | |
27.001 | General on Terminal Adaptation Functions (TAF) for Mobile Stations (MS) | TS | 8.1.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.001/27001-810.zip | |
27.002 | Terminal Adaptation Functions (TAF) for services using asynchronous bearer capabilities | TS | 8.1.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.002/27002-810.zip | |
27.003 | Terminal Adaptation Functions (TAF) for services using synchronous bearer capabilities | TS | 8.0.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.003/27003-800.zip | |
27.005 | Use of Data Terminal Equipment - Data Circuit terminating Equipment (DTE - DCE) interface for Short Message Service (SMS) and Cell Broadcast Service (CBS) | TS | 8.0.1 | C1 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.005/27005-801.zip | |
26.976 | Performance characterization of the Adaptive Multi-Rate Wideband (AMR-WB) speech codec | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.976/26976-800.zip | |
27.010 | Terminal Equipment to User Equipment (TE-UE) multiplexer protocol | TS | 8.1.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.010/27010-810.zip | |
27.060 | Packet domain; Mobile Station (MS) supporting Packet Switched services | TS | 8.1.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.060/27060-810.zip | |
29.010 | Information element mapping between Mobile Station - Base Station System (MS - BSS) and Base Station System - Mobile-services Switching Centre (BSS - MSC); Signalling Procedures and the Mobile Application Part (MAP) | TS | 8.2.0 | C4 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.010/29010-820.zip | |
29.011 | Signalling Interworking for supplementary services | TS | 8.0.0 | C4 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.011/29011-800.zip | |
29.013 | Signalling interworking between ISDN supplementary services; Application Service Element (ASE) and Mobile Application Part (MAP) protocols | TS | 8.1.0 | C4 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.013/29013-810.zip | |
26.978 | Results of the Adaptive Multi-Rate (AMR) noise suppression selection phase | TR | 8.0.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/26_series/26.978/26978-800.zip | |
27.007 | AT command set for User Equipment (UE) | TS | 8.15.0 | C1 | https://www.3gpp.org/ftp/Specs/archive/27_series/27.007/27007-8f0.zip | |
28.062 | Inband Tandem Free Operation (TFO) of speech codecs; Service description; Stage 3 | TS | 8.1.0 | S4 | https://www.3gpp.org/ftp/Specs/archive/28_series/28.062/28062-810.zip | |
29.016 | General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface network service specification | TS | 8.0.0 | C1 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.016/29016-800.zip | |
29.060 | General Packet Radio Service (GPRS); GPRS Tunnelling Protocol (GTP) across the Gn and Gp interface | TS | 8.16.0 | C4 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.060/29060-8g0.zip | |
29.018 | General Packet Radio Service (GPRS); Serving GPRS Support Node (SGSN) - Visitors Location Register (VLR); Gs interface layer 3 specification | TS | 8.5.0 | C1 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.018/29018-850.zip | |
29.007 | General requirements on interworking between the Public Land Mobile Network (PLMN) and the Integrated Services Digital Network (ISDN) or Public Switched Telephone Network (PSTN) | TS | 8.2.0 | C3 | https://www.3gpp.org/ftp/Specs/archive/29_series/29.007/29007-820.zip |
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