The present invention relates to a telephone configured as a programmable microcomputer (telephone-computer) which operates in most circumstances through a standard telephone 12-key keypad input. The telephone-computer includes telephone electronics and a microprocessor unit operated in conjunction with...http://www.google.com/patents/US5195130?utm_source=gb-gplus-sharePatent US5195130 - Computer and telephone apparatus with user friendly computer interface and enhanced integrity features