Telephonic communications – Having light wave or ultrasonic link for speech or paging... – Including fiber optic link within telephone network
Patent
1990-10-24
1992-09-01
Dwyer, James L.
Telephonic communications
Having light wave or ultrasonic link for speech or paging...
Including fiber optic link within telephone network
379144, 379 91, 379145, H04M 1100
Patent
active
051446499
ABSTRACT:
A system (10) for operating a multiplicity of credit card reader-equipped cellular mobile radiotelephones (CMRs 12) as credit card paystations is disclosed. The CMRs (12) incorporate a remotely programmable unit (RPU 48) which controls credit card operation (1400, 1700) and which controls data communication sessions (188, 1900, 2100) with a credit card (CC) host (26) and a remote programming (RP) host (24). The RPU (48) resides between a conventional control unit (CU 42) and a conventional transmit/receive unit (TRU 62) of a conventional CMR. The RPU (48) monitors messages (1200, 1300) transmitted from the CU (42) and from the TRU (62). The CMR (12) powers up in a locked state (1402), within which a credit card (88) may be read. The credit card is locally validated (1421) at CMR 12. If the validation is successful, the CMR (12) is unlocked so that a call may be placed. Credit card information, called number, call time, call duration, and system identification number (SID) are recorded (1700) in a call record for each call established through the CMR (12). Call records are accumulated within the CMR (12). After each call, accumulated CMR (12) usage is checked (1730) against fraud alert thresholds. When a threshold is exceeded, an external credit card validation is performed (1744). Upon a daily schedule which activates during off-peak hours, the CMR (12) calls the CC host (26) to upload (1830) the accumulated call records.
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Borkowski Daniel G.
Brown, Jr. Phillip D.
Cao Thanh H.
Plouff Donald A.
Zicker Robert G.
Bost Dwayne D.
Dwyer James L.
Flickinger Don J.
Gresham Lowell W.
GTE Mobile Communications Service Corporation
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