ITU-T Recommendations : Series V – Data communication over the telephone network
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ITU-T Recommendations: Series V
(Data communication over the telephone network)
ITU-T Recommendations In force – December 2000 edition
ITU-T Rec. V.1 (11/88) Equivalence between binary notation symbols and the significant conditions of a two-condition code
ITU-T Rec. V.2 (11/88) Power levels for data transmission over telephone lines
ITU-T Rec. V.4 (11/88) General structure of signals of International Alphabet No. 5 code for character oriented data transmission over public telephone networks
ITU-T Rec. V.7 (11/88) Definitions of terms concerning data communication over the telephone network
ITU-T Rec. V.8 bis (09/98) Procedures for the identification and selection of common modes of operation between Data Circuit-terminating Equipments (DCEs) and between Data Terminal Equipments (DTEs) over the public switched telephone network and on…
ITU-T Rec. V.8 (05/99) Procedures for starting sessions of data transmission over the public switched telephone network
ITU-T Rec. V.10 (03/93) Electrical characteristics for unbalanced double-current interchange circuits operating at data signalling rates nominally up to 100 kbit/s
ITU-T Rec. V.11 (10/96) Electrical characteristics for balanced double-current interchange circuits operating at data signalling rates up to 10 Mbit/s
ITU-T Rec. V.12 (08/95) Electrical characteristics for balanced double-current interchange circuits for interfaces with data signalling rates up to 52 Mbit/s
ITU-T Rec. V.13 (03/93) Simulated carrier control
ITU-T Rec. V.14 Corrigendum 1 (09/98) Transmission of start-stop characters over synchronous bearer channels
ITU-T Rec. V.14 (03/93) Transmission of start-stop characters over synchronous bearer channels.
ITU-T Rec. V.15 (11/88) Use of acoustic coupling for data transmission
ITU-T Rec. V.16 (11/88) Medical analogue data transmission modems
ITU-T Rec. V.17 Corrigendum 1 (09/98) A 2-wire modem for facsimile applications with rates up to 14 400 bit/s
ITU-T Rec. V.17 (02/91) A 2-wire modem for facsimile applications with rates up to 14 400 bit/s
ITU-T Rec. V.18 (02/98) Operational and interworking requirements for DCEs operating in the text telephone mode
ITU-T Rec. V.18 Appendix III (09/98) Operational and interworking requirements for DCEs operating in the text telephone mode – Appendix III: Connection procedures for terminals including V.18 functionality
ITU-T Rec. V.18 Appendix IV (09/98) Operational and interworking requirements for DCEs operating in the text telephone mode -Specification of V.18 implementation tests
ITU-T Rec. V.19 (11/88) Modems for parallel data transmission using telephone signalling frequencies
ITU-T Rec. V.21 (11/88) 300 bits per second duplex modem standardized for use in the general switched telephone network
ITU-T Rec. V.22 bis (11/88) 2400 bits per second duplex modem using the frequency division technique standardized for use on the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
ITU-T Rec. V.22 (11/88) 1200 bits per second duplex modem standardized for use in the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
ITU-T Rec. V.23 (11/88) 600/1200-baud modem standardized for use in the general switched telephone network.
ITU-T Rec. V.24 (02/00) To be published…
ITU-T Rec. V.25 bis (10/96) Synchronous and asynchronous automatic dialling procedures on switched networks
ITU-T Rec. V.25 ter (07/97) Serial asynchronous automatic dialling and control
ITU-T Rec. V.25 (10/96) Automatic answering equipment and general procedures for automatic calling equipment on the general switched telephone network including procedures for disabling of echo control devices for both manually and automatically…
ITU-T Rec. V.25 ter Annex A (08/96) Serial asynchronous automatic dialling and control – Annex A: Procedure for DTE-controlled call negotiation
ITU-T Rec. V.25 ter Supplement (04/95) Serial asynchronous automatic dialling and control
ITU-T Rec. V.26 bis (11/88) 2400/1200 bits per second modem standardized for use in the general
switched telephone network
ITU-T Rec. V.26 ter (11/88) 2400 bits per second duplex modem using the echo cancellation technique standardized for use on the general switched telephone network and on point-to-point 2-wire leased telephone-type circuits
ITU-T Rec. V.26 (11/88) 2400 bits per second modem standardized for use on 4-wire leased telephone-type circuits
ITU-T Rec. V.27 bis (11/88) 4800/2400 bits per second modem with automatic equalizer standardized for use on leased telephone-type circuits
ITU-T Rec. V.27 ter (11/88) 4800/2400 bits per second modem standardized for use in the general switched telephone network.
ITU-T Rec. V.27 (11/88) 4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits
ITU-T Rec. V.28 (03/93) Electrical characteristics for unbalanced double-current interchange circuits
ITU-T Rec. V.29 (11/88) 9600 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits
ITU-T Rec. V.31 bis (11/88) Electrical characteristics for single-current interchange circuits using optocouplers
ITU-T Rec. V.31 (11/88) Electrical characteristics for single-current interchange circuits controlled by contact closure
ITU-T Rec. V.32 bis (02/91) A duplex modem operating at data signalling rates of up to 14 400 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T Rec. V.32 (03/93) A family of 2-wire, duplex modems operating at data signalling rates of up to 9600 bit/s for use on the general switched telephone network and on leased telephone-type circuits
ITU-T Rec. V.33 (11/88) 14 400 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits
ITU-T Rec. V.34 Corrigendum (10/96) A modem operating at data signalling rates of up to 33 600 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T Rec. V.34 (02/98) A modem operating at data signalling rates of up to 33 600 bit/s for use on the general switched telephone network and on leased point-to-point 2-wire telephone-type circuits
ITU-T Rec. V.36 (11/88) Modems for synchronous data transmission using 60-108 kHz group band circuits
ITU-T Rec. V.37 (11/88) Synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60-108 kHz group band circuits.
ITU-T Rec. V.38 (10/96) A 48/56/64 kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits
ITU-T Rec. V.41 (11/88) Code-independent error-control system
ITU-T Rec. V.42 bis (01/90) Data compression procedures for data circuit-terminating equipment (DCE) using error correcting procedures
ITU-T Rec. V.42 (10/96) Error-correcting Procedures for DCEs using asynchronous-to-synchronous conversion
ITU-T Rec. V.43 (02/98) Data flow control
ITU-T Rec. V.50 (11/88) – Standard limits for transmission quality of data transmission
ITU-T Rec. V.51 (11/88) Organization of the maintenance of international telephone-type circuits used for data transmission
ITU-T Rec. V.53 (11/88) Limits for the maintenance of telephone-type circuits used for data transmission
ITU-T Rec. V.54 (11/88) Loop test devices for modems
ITU-T Rec. V.55 (11/88) Impulsive noise measuring equipment for telephone-type circuits
ITU-T Rec. V.56 bis (08/95) Network transmission model for evaluating modem performance over 2-wire voice grade connections
ITU-T Rec. V.56 ter (08/96) Test procedure for evaluation of 2-wire 4 kHz voiceband duplex modems
ITU-T Rec. V.56 (11/88) Comparative tests of modems for use over telephone-type circuits
ITU-T Rec. V.58 (09/94) Management information model for V-Series DCEs.
ITU-T Rec. V.61 (08/96) A simultaneous voice plus data modem, operating at a voice plus data signalling rate of 4800 bit/s, with optional automatic switching to data-only signalling rates of up to 14 400 bit/s, for use on the general switched…
ITU-T Rec. V.70 (08/96) Procedures for the simultaneous transmission of data and digitally encoded voice signals over the GSTN, or over 2-wire leased point-to-point telephone type circuits
ITU-T Rec. V.75 (08/96) DSVD terminal control procedures
ITU-T Rec. V.75 Appendix II (02/98) DSVD terminal control procedures – Appendix II: Session establishment using V.75/H.245 procedures
ITU-T Rec. V.76 (08/96) Generic multiplexer using V.42 LAPM-based procedures
ITU-T Rec. V.80 (08/96) In-band DCE control and synchronous data modes for asynchronous DTE
ITU-T Rec. V.90 (09/98) A digital modem and analogue modem pair for use on the Public Switched
Telephone Network (PSTN) at data signalling rates of up to 56 000 bit/s downstream and up to 33 600 bit/s upstream
ITU-T Rec. V.91 (05/99) A digital modem operating at data signalling rates of up to 64 000 bit/s for use on a 4-wire circuit switched connection and on leased point-to-point 4-wire digital circuits
ITU-T Rec. V.100 (11/88) Interconnection between public data networks (PDNs) and the public switched telephone networks (PSTN)
ITU-T Rec. V.110 (02/00) To be published…
ITU-T Rec. V.120 Corrigendum 1 (05/99) Support by an ISDN of data terminal equipment with V-series type interfaces with provision for statistical multiplexing
ITU-T Rec. V.120 (10/96) Support by an ISDN of data terminal equipment with V-Series type interfaces with provision for statistical multiplexing.
ITU-T Rec. V.130 (08/95) ISDN terminal adaptor framework
ITU-T Rec. V.140 (02/98) Procedures for establishing communication between two multiprotocol audiovisual terminals using digital channels at a multiple of 64 or 56 kbit/s
ITU-T Rec. V.230 (11/88) General data communications interface layer 1 specification
ITU-T Rec. V.250 (05/99) Serial asynchronous automatic dialling and control
ITU-T Rec. V.250 Supplement 1 (09/98) Serial asynchronous automatic dialling and control – Supplement 1: Various extensions to V.250 basic command set
ITU-T Rec. V.251 (02/98) Procedure for DTE-controlled call negotiation
ITU-T Rec. V.252 (02/98) Procedure for control of V.70 and H.324 terminals by a DTE
ITU-T Rec. V.253 (02/98) Control of voice-related functions in a DCE by an asynchronous DTE
ITU-T Rec. V.300 (07/99) A 128 (144) kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits
For access, recommendations Series V Click Here
For access, recommendations Series V Click Here
