Prepaid phone card service using speech recognition

Details Prepaid phone card service using speech recognition Prepaid phone card service using speech recognition

2007-12-18

2007-12-18

Tran, Quoc (Department: 2614)

Telephonic communications

With usage measurement

Call charge metering or monitoring

C379S114010, C379S114150, C379S144010

Reexamination Certificate

active

10803701

ABSTRACT:
A method for placing a telephone call from a caller using a prepaid phone card includes the steps of connecting a caller with a caller interface having a speech recognition application, receiving voice input from the caller in the form of phone card information spoken by the caller, comparing the voice input from the caller with personalized prepaid phone card information previously stored in a database and placing a requested telephone call if the voice input from the caller matches the personalized prepaid phone card information stored in the database. The personalized prepaid phone card information stored in the database may be a personal identification number (PIN) assigned to the caller's phone card and the voice input from the caller is in the form of a personal identification number (PIN) spoken by the caller. The speech recognition application then compares the spoken personal identification number with the personal identification number (PIN) stored in the database. The method may further include the step of retrieving a telephone number stored in the database if a voice input from the caller matches a telephone number identifier assigned to the telephone number.

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patent: 2004/0047457 (2004-03-01), Wang

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