Public modular-telephone management system
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United States of America Patent
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-
Aug 11, 1992
Grant Date -
N/A
app pub date -
Apr 12, 1991
filing date -
Apr 19, 1990
priority date (Note) -
In Force
status (Latency Note)
Importance
Abstract
A public modular telephone management system. By using several units and systems, as well as ancillary elements for managing public modular telephones, it is possible to provide the public modular telephones with means of making payment for the service by using several types of cards such as: credit, prepayment, telephone subscriber or multiservice cards.
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Family
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Cited Art Landscape
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