DA(IV) 10/28/73 DA(IV) NAME da - voice response unit DESCRIPTION Bytes written on this file control a Cognitronics optical drum voice response unit which can generate up to 31 fixed half-second utterances. Bytes read correspond to Touch- r Tone signals received via a 403 dataset. The specifics of the interface will not be described. Consult M. E. Lesk for more information. FILES /dev/da BUGS