Telephonic communications – With usage measurement – Call charge metering or monitoring
Patent
1994-08-30
1996-10-29
Chin, Stephen
Telephonic communications
With usage measurement
Call charge metering or monitoring
379127, 379130, 379144, 379156, 379157, H04M 1500, H04M 1700, H04M 100
Patent
active
055704166
ABSTRACT:
A Call Center Management System for the operation of a public calling center includes a plurality of telephones, a junction box, a central operating unit, a print and a display device. The Call Center Management System provides: a prepayment before telephone usage, continuous recalculation of a caller's deposit during to telephone usage, notification to the caller of the amount of deposit consumed, automatic call termination when the deposit has been consumed, and refund to caller for amount of unused deposit.
REFERENCES:
patent: 4776000 (1988-10-01), Parienti
patent: 4777646 (1988-10-01), Harris
patent: 4951308 (1990-08-01), Bishop
Chin Stephen
ComTel Debit Card Limited, L.L.C.
Loomis Paul
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