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1995-07-14
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Date of Last Update : 16 May 1995
List of ITU-T V-Series Recommendations in force
** - Series V
* Data communication over the telephone network - General
V.1 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Equivalence between binary notation symbols and the significant
conditions of a two-condition code
V.2 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Power levels for data transmission over telephone lines
V.4 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
General structure of signals of international alphabet No. 5 code for
character oriented data transmission over public telephone networks
V.7 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Definitions of terms concerning data communication over the telephone
network
V.8 (09/94) [New] [10 pp.] [Publ.: Nov.94] [PN: V.id]
Procedures for starting sessions of data transmission over the general
switched telephone network
Note - C: 56/82/105
* Interfaces and voice-band modems
V.10 (1993) [Rev.1] [18 pp.] [Publ.: Mar.94]
Electrical characteristics for unbalanced double-current interchange
circuits operating at data signalling rates nominally up to 100 kbit/s
Note - Same as X.26
V.11 (1993) [Rev.1] [14 pp.] [Publ.: Feb.94]
Electrical characteristics for balanced double-current interchange
circuits operating at data signalling rates up to 10 Mbit/s
Note - Same as X.27
V.13 (1993) [Rev.1] [2 pp.] [Publ.: Oct.93]
Simulated carrier control
V.14 (1993) [Rev.1] [4 pp.] [Publ.: Jan.94]
Transmission of start-stop characters over synchronous bearer channels
V.15 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Use of acoustic coupling for data transmission
V.16 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Medical analogue data transmission modems
V.17 (02/91) [New] [11 pp.] [Publ.: May.91]
A 2-wire modem for facsimile applications with rates up to 14 400 bit/s
* Interworking with other networks
V.18 (09/94) [New] [18 pp.] [Publ.: Nov.94] [PN: V.txp]
Operational and interworking requirements for modems operating in the
text telephone mode
Note - C: 56/82/105
* Interfaces and voice-band modems
V.19 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Modems for parallel data transmission using telephone signalling
frequencies
V.21 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
300 bits per second duplex modem standardized for use in the general
switched telephone network
V.22 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
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
V.22 bis (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
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
V.23 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
600/1200-baud modem standardized for use in the general switched
telephone network
V.24 (1993) [Rev.1] [19 pp.] [Publ.: Feb.94]
List of definitions for interchange circuits between data terminal
equipment (DTE) and data circuit-terminating equipment (DCE)
V.25 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Automatic answering equipment and/or parallel automatic calling
equipment on the general switched telephone network including procedures
for disabling of echo control devices for both manually and
automatically established calls
V.25 bis (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Automatic calling and/or answering equipment on the general switched
telephone network (GSTN) using the 100-series interchange circuits
V.26 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
2400 bits per second modem standardized for use on 4-wire leased
telephone-type circuits
V.26 bis (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
2400/1200 bits per second modem standardized for use in the general
switched telephone network
V.26 ter (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
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
V.27 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
4800 bits per second modem with manual equalizer standardized for use on
leased telephone-type circuits
V.27 bis (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
4800/2400 bits per second modem with automatic equalizer standardized
for use on leased telephone-type circuits
V.27 ter (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
4800/2400 bits per second modem standardized for use in the general
switched telephone network
V.28 (1993) [Rev.1] [6 pp.] [Publ.: Jan.94]
Electrical characteristics for unbalanced double-current interchange
circuits
V.29 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
9600 bits per second modem standardized for use on point-to-point 4-wire
leased telephone-type circuits
V.31 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Electrical characteristics for single-current interchange circuits
controlled by contact closure
V.31 bis (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Electrical characteristics for single-current interchange circuits using
optocouplers
V.32 (1993) [Rev.1] [23 pp.] [Publ.: Jan.94]
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
V.32 bis (02/91) [New] [22 pp.] [Publ.: May.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
V.33 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
14 400 bits per second modem standardized for use on point-to-point
4-wire leased telephone-type circuits
V.34 (09/94) [New] [63 pp.] [Publ.: Dec.94] [PN: V.fast]
a modem operating at data signalling rates of up to 28 800 bit/s for use
on the general switched telephone network and on leased point-to-point
2-wire telephone-type circuits
Note - C: 56/82/105
* Wide-band modems
V.36 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Modems for synchronous data transmission using 60-108 kHz group band
circuits
V.37 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Synchronous data transmission at a data signalling rate higher than 72
kbit/s using 60-108 kHz group band circuits
V.38 (1993) [New] [10 pp.] [Publ.: Jan.94]
A 48/56/64 kbit/s data circuit terminating equipment standardized for
use on digital point-to-point leased circuits
* Error control
V.41 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Code-independent error-control system
V.42 (1993) [Rev.1] [74 pp.] [Publ.: Feb.94]
Error-correcting procedures for DCEs using asynchronous-to-synchronous
conversion
V.42 bis (01/90) [New] [27 pp.] [Publ.: Jul.90]
Data compression procedures for data circuit terminating equipment (DCE)
using error correcting procedures
* Transmission quality and maintenance
V.50 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Standard limits for transmission quality of data transmission
V.51 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Organization of the maintenance of international telephone-type circuits
used for data transmission
V.52 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Characteristics of distortion and error-rate measuring apparatus for
data transmission
V.53 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Limits for the maintenance of telephone-type circuits used for data
transmission
V.54 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Loop test devices for modems
V.55 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Specification for an impulsive noise measuring instrument for
telephone-type circuits
V.56 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Comparative tests of modems for use over telephone-type circuits
V.57 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Comprehensive data test set for high data signalling rates
V.58 (09/94) [New] [58 pp.] [Publ. sched.: May.95] [PN: V.im]
Management information model for V-Series DCEs
Note - C: 56/82/105
* Interworking with other networks
V.100 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
Interconnection between public data networks (PDNs) and the public
switched telephone networks (PSTN)
V.110 (09/92) [Rev.1] [58 pp.] [Publ.: Feb.93]
Support of data terminal equipments with V-Series type interfaces by an
integrated services digital network
Note - Same as I.463
V.120 (09/92) [Rev.1] [36 pp.] [Publ.: Feb.93]
Support by an ISDN of data terminal equipment with V-Series type
interfaces with provision for statistical multiplexing
Note - Same as I.465
V.230 (1988) [Blue Book Fasc. VIII.1] [Publ.: Nov.89]
General data communications interface layer 1 specification
----------------------------------------------------------------------
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