ITU-T V-Series Recommendations
This article details the
ITU-T V-Series Recommendations for protocols that govern approved
modem communication standards and interfaces.Note: the bis and ter suffixes are ITU-T standard designators of successive iterations of a standard. (bis and ter are French terms for second and third alternate versions of an item.)
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V.32
The
ITU-T standard
protocol for
modems transmitting at 4800 or 9600 bits per second.
V.32bis extended this to 14400 bps.
V32 and V.32bis acheive bidirectional data transmission not by having different sets of tones at each end but by subtracting what is sent from what is received.
(1994-12-15)
(c) Copyright 1993 by Denis Howe