3. The system of claim 1, wherein said system further includes means, responsive to said memory means output signals, for generating audible feedback signals to said telephone set, indicative of said symbol code transmitted to said computer.
3. The system of claim 1, wherein said system further includes means, responsive to said memory means output signals, for generating audible feedback signals to said telephone set, indicative of said symbol code transmitted to said computer. 4. The system of claim 3 wherein said audible feedback signals constitute a synthesized speech signal corresponding to said symbol.