资料来源 : Free On-Line Dictionary of Computing

V.32bis
     
        V.32 twice.  An extension of the {ITU-T} {V.32} {modem}
        {protocol} allowing speeds of 7200, 12000 and 14400 bits per
        second.  The {modem} should select the appropriate speed
        according to the current line conditions.
     
        See also {V.32ter}.
     
        (1994-12-15)