| Implementor's Guides | |
| Recommendation V.56ter (08/96) - Test procedure for evaluation of 2-wire 4 KHz voiceband duplex modems | |
| List of ITU-T V-Series Recommendations in force | |
| [V.1] Recommendation V.1 (11/88) - Equivalence between binary notation symbols and the significant conditions of a two-condition code | 20 CHF |
| [V.2] Recommendation V.2 (11/88) - Power levels for data transmission over telephone lines | 20 CHF |
| [V.4] Recommendation V.4 (11/88) - General structure of signals of International Alphabet No. 5 code for character oriented data transmission over public telephone networks | 20 CHF |
| [V.7] Recommendation V.7 (11/88) - Definitions of terms concerning data communication over the telephone network | 20 CHF |
| [V.8] Recommendation V.8 (02/98) - Procedures for starting sessions of data transmission over the public switched telephone network | 20 CHF |
| Table of Contents and Summary of Recommendation V.8 (02/98) | |
| [V8bis] Recommendation V.8 bis (08/96) - 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 general switched telephone......... | 22 CHF |
| [V.10] Recommendation V.10 (03/93) - Electrical characteristics for unbalanced double-current interchange circuits operating at data signalling rates nominally up to 100 kbit/s | 20 CHF |
| [V.11] Recommendation V.11 (10/96) - Electrical characteristics for balanced double-current interchange circuits operating at data signalling rates up to 10 Mbit/s | 20 CHF |
| [V.12] Recommendation V.12 (08/95) - Electrical characteristics for balanced double-current interchange circuits for interfaces with data signalling rates up to 52 Mbit/s | 20 CHF |
| [V.13] Recommendation V.13 (03/93) - Simulated carrier control | 20 CHF |
| [V.14] Recommendation V.14 (03/93) - Transmission of start-stop characters over synchronous bearer channels | 20 CHF |
| [V.15] Recommendation V.15 (11/88) - Use of acoustic coupling for data transmission | 20 CHF |
| [V.16] Recommendation V.16 (11/88) - Medical analogue data transmission modems | 20 CHF |
| [V.17] Recommendation V.17 (02/91) - A 2-wire modem for facsimile applications with rates up to 14 400 bit/s | 20 CHF |
| Summary of Recommendation V.17 (02/91) | |
| [V.18] Recommendation V.18 (02/98) - Operational and interworking requirements for DCEs operating in the text telephone mode | 20 CHF |
| Table of Contents and Summary of Recommendation V.18 (02/98) | |
| [V.19] Recommendation V.19 (11/88) - Modems for parallel data transmission using telephone signalling frequencies | 20 CHF |
| [V.21] Recommendation V.21 (11/88) - 300 bits per second duplex modem standardized for use in the general switched telephone network | 20 CHF |
| [V.22] Recommendation 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 | 20 CHF |
| [V.22bis] Recommendation V.22bis (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 | 20 CHF |
| [V.23] Recommendation V.23 (11/88) - 600/1200-baud modem standardized for use in the general switched telephone network | 20 CHF |
| [V.24] Recommendation V.24 (10/96) - List of definitions for interchange circuits between data terminal equipment (DTE) and data circuit-terminating equipment (DCE) | 20 CHF |
| [V.25] Recommendation 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 ... | 20 CHF |
| [V.25bis] Recommendation V.25bis (10/96) - Synchronous and asynchronous automatic dailling procedures on switched networks | 20 CHF |
| [V.25ter] Recommendation V.25ter (07/97) - Serial asynchronous automatic dialling and control | 44 CHF |
| Table of Contents and Summary of Recommendation V.25ter (07/97) | |
| [Supp. V.25ter] Supplement (04/95) to Recommendation V.25ter - Serial asynchronous automatic dialling and control | 20 CHF |
| [V.25ter AnnexA] Recommendation V.25 ter Annex A (08/96) - Annex A: Procedure for DTE-controlled call negotiation | 20 CHF |
| [V.26] Recommendation V.26 (11/88) - 2400 bits per second modem standardized for use on 4-wire leased telephone-type circuits | 20 CHF |
| [V.26bis] Recommendation V.26bis (11/88) - 2400/1200 bits per second modem standardized for use in the general switched telephone network | 20 CHF |
| [V.26ter] Recommendation V.26ter (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 | 20 CHF |
| [V.27] Recommendation V.27 (11/88) - 4800 bits per second modem with manual equalizer standardized for use on leased telephone-type circuits | 20 CHF |
| [V.27bis] Recommendation V.27 bis (11/88) - 4800/2400 bits per second modem with automatic equalizer standardized for use on leased telephone-type circuits | 20 CHF |
| [V.27ter] Recommendation V.27ter (11/88) - 4800/2400 bits per second modem standardized for use in the general switched telephone network | 20 CHF |
| [V.28] Recommendation V.28 (03/93) - Electrical characteristics for unbalanced double-current interchange circuits | 20 CHF |
| [V.29] Recommendation V.29 (11/88) - 9600 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits | 20 CHF |
| [V.31] Recommendation V.31 (11/88) - Electrical characteristics for single-current interchange circuits controlled by contact closure | 20 CHF |
| [V.31bis] Recommendation V.31bis (11/88) - Electrical characteristics for single-current interchange circuits using optocouplers | 20 CHF |
| [V.32] Recommendation 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 | 20 CHF |
| [V.32bis] Recommendation V.32bis (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 circuit | 20 CHF |
| Summary of Recommendation V.32bis (02/91) | |
| [V.33] Recommendation V.33 (11/88) - 14 400 bits per second modem standardized for use on point-to-point 4-wire leased telephone-type circuits | 20 CHF |
| [V.34] Recommendation 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 | 34 CHF |
| Table of Contents of Recommendation V.34 (02/98) | |
| [V.34 Corr.] Corrigendum to Recommendation V.34 (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 | |
| [V.36] Recommendation V.36 (11/88) - Modems for synchronous data transmission using 60-108 kHz group band circuits | 20 CHF |
| [V.37] Recommendation V.37 (11/88) - Synchronous data transmission at a data signalling rate higher than 72 kbit/s using 60-108 kHz group band circuits | 20 CHF |
| [V.38] Recommendation V.38 (10/96) - A 48/56/64 kbit/s data circuit-terminating equipment standardized for use on digital point-to-point leased circuits | 20 CHF |
| [V.41] Recommendation V.41 (11/88) - Code-independent error-control system | 20 CHF |
| [V.42] Recommendation V.42 (10/96) - Error-correcting procedures for DCEs using asynchronous-to-synchronous conversion | 24 CHF |
| [V.42bis] Recommendation V.42bis (01/90) - Data compression procedures for data circuit terminating equipment (DCE) using error correction procedures | 20 CHF |
| Summary of Recommendation V.42 bis (01/90) | |
| [V.43] Recommendation V.43 (02/98) - Data flow control | 20 CHF |
| Table of Contents and Summary of Recommendation V.43 (02/98) | |
| [V.50] Recommendation V.50 (11/88) - Standard limits for transmission quality of data transmission | 20 CHF |
| [V.51] Recommendation V.51 (11/88) - (see/voir/véase Rec. M.729) | |
| [V.53] Recommendation V.53 (11/88) - Limits for the maintenance of telephone-type circuits used for data transmission | 20 CHF |
| [V.54] Recommendation V.54 (11/88) - Loop test devices for modems | 20 CHF |
| [V.55] Recommendation V.55 (11/88) - (see/voir/véase Rec. O.71) | |
| [V.56] Recommendation V.56 (11/88) - Comparative tests of modems for use over telephone-type circuits | 20 CHF |
| [V.56bis] Recommendation V.56bis (08/95) - Network transmission model for evaluating modem performance over 2-wire voice grade connections | 25 CHF |
| Summary of Recommendation V.56 bis (08/95) | |
| [V.56 ter] Recommendation V.56 ter (08/96) - Test procedure for evaluation of 2-wire 4-kHz voiceband duplex modems | 34 CHF |
| [V.58] Recommendation V.58 (09/94) - Management information model for V-Series DCE's | 24 CHF |
| [V.61] Recommendation 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 ... | 22 CHF |
| [V.70] Recommendation V.70 (08/96) - Procedures for the simultaneous transmission of data and digitally encoded voice signals over the GSTN, or over a 2-wire leased point-to-point telephone type circuits | 20 CHF |
| [V.75] Recommendation V.75 (08/96) - DSVD terminal control procedures | 20 CHF |
| [V.75 App] Recommendation V.75 (Appendix II) (02/98) - DSVD terminal control procedures: Session establishment using V.75/H.245 procedures | 20 CHF |
| [V.76] Recommendation V.76 (08/96) - Generic multiplexer using V.42 LAPM-based procedures | 29 CHF |
| [V.80] Recommendation V.80 (08/96) - In-band DCE control and synchronous data modes for asynchronous DTE | 22 CHF |
| [V.90] Recommendation 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 | 22 CHF |
| Table of Contents and Summary of Recommendation V.90 (09/98) | |
| [V.100] Recommendation V.100 (11/88) - Interconnection between public data networks (PDNs) and the public switched telephone networks (PSTN) | 20 CHF |
| [V.110] Recommendation V.110 (10/96) - Support by an ISDN of data terminal equipments with V-Series type interfaces | 29 CHF |
| [V.120] Recommendation V.120 (10/96) - Support by an ISDN of data terminal equipment with V-series type interfaces with provision for statistical multiplexing | 20 CHF |
| [V.130] Recommendation V.130 (08/95) - ISDN terminal adaptor framework | 20 CHF |
| Summary of Recommendation V.130 (08/95) | |
| [V.140] Recommendation 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 | 22 CHF |
| Table of Contents and Summary of Recommendaiton V.140 (02/98) | |
| [V.230] Recommendation V.230 (11/88) - General data communications interface layer 1 specification | 22 CHF |
| [V.252] Recommendation V.252 (02/98) - Procedure for control of V.70 and H.324 terminals by a DTE | 20 CHF |
| Table of Contents and Summary of Recommendation V.252 (02/98) | |
| [V.253] Recommendation V.253 (02/98) - Control of voice-related functions in a DCE by an asynchronous DTE | 44 CHF |
| Table of Contents and Summary of Recommendation V.253 (02/98) | |