Short time validity storage

Details Short time validity storage Short time validity storage

1990-06-11

1992-07-14

Schreyer, Stafford D.

Telephonic communications

With usage measurement

Call traffic recording by computer or control processor

379130, 379132, 379144, H04M 1702

Patent

active

051310279

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 interact with a calling party placing a long distance phone call. The telephone receives a billing account number from the calling party through a keypad (24). The telephone determines the validity of the billing account number and, if the billing account number is valid, a communication path is established through a telephone line interface (38). Valid billing account numbers are stored in the telephone for a predetermined period of time. The stored numbers are polled prior to the validation process to determine if an entered number has already been validated. In this manner, a calling party making multiple calls with the same billing account number need only wait for his account number to be verified once.

REFERENCES:
patent: 4439636 (1984-03-01), Newkirk et al.

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