Telephone accessory communications device

摘要

A telephone accessory communications device suitable for the delivery of DTMF tones over a standard telephone line, which has a card reader, microprocessor and telephone signaling generator that produces the DTMF tones corresponding to data encoded on the strip of a card. A memory device may also be included that stores information regarding the location of the telephone accessory communications device, and one or more telephone numbers used to access desired services. A standard telephone set can be connected to the telephone accessory communications device. The device can be programmed by a computer via a cable connector or a magnetic programming card.