V.32bis <communications, standard> V.32 twice. An extension of the {ITU-T} {V.32} {modem} {protocol} allowing 14400 bits per second with {fall back} to 12000{bps}, 9600{bps}, 7200{bps} and 4800 {bps}. The {modem} should select the appropriate speed according to the current line conditions. See also {V.32ter}. (1994-12-15)