The present invention relates to a programmable microcomputer or microprocessor device with associated memory and telephone circuitry designed to be operated in most circumstances through a standard telephone 12-key keypad input. The microcomputer device of the present invention, which includes the primary...http://www.google.com/patents/US5008927?utm_source=gb-gplus-sharePatent US5008927 - Computer and telephone apparatus with user friendly computer interface integrity features
