3. The method as in claim 2, wherein: (a) said key pad is a standard touch-tone key pad and said electrical signals are produced by a TOUCH-TONE generator, each signal being in the form of one of twelve DTMF tones corresponding to the twelve keys of a TOUCH-TONE key pad.
2. The method as in claim 1, wherein the step of: (a) informing the user of the desired data entry includes providing information associated with the data entry to the user.