Patent
Method and apparatus for performing an automated collect call (US Patent 5093858)
Intellicall, Inc. · Granted Mar 3, 1992 · Filed Jun 11, 1990
Patent number: 5093858 Granted: 1992-03-03 Filed: 1990-06-11 Inventors: John A. Hird (Dallas, TX, US); Lindsey D. Owen (Carrollton, TX, US); Michael R. Rice (Carrollton, TX, US) Assignees: Intellicall, Inc. (Carrollton, TX, US)
Abstract
A telephone system and method of operation are disclosed which use a microprocessor control system (10), a speech generator (34) and speech memory (46) to automatically place collect calls without the need of a live operator. The telephone uses the microprocessor control
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