V.32bis (redirected from V32bis)

V.32bis

An ITU standard (1991) for asynchronous and synchronous 4,800, 7,200, 9,600, 12,000 and 14,400 bps full-duplex modems using TCM and echo cancellation. It supports rate renegotiation, which allows modems to change speeds as required.

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(communications, standard)

V.32bis - V.32 twice. An extension of the ITU-T V.32 modem protocol allowing 14400 bits per second with fall back to 12000bps, 9600bps, 7200bps and 4800 bps. The modem should select the appropriate speed according to the current line conditions. See also V.32ter.