Billing interface circuit

H - Electricity – 04 – M

Patent

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Details

344/12.1

H04M 15/00 (2006.01) H04M 15/34 (2006.01)

Patent

CA 1141848

TITLE A BILLING INTERFACE CIRCUIT ABSTRACT OF THE INVENTION A billing interface circuit for controlling the billing of a station of a private branch exchange via a telephone central office. This circuit auto- matically connects an intercept recorder to the operator requesting time and charges while providing ring back tone to the station. Therefore, the attendant at the private branch exchange is relieved of the task of manually interfacing between the station and the telephone central office to request time and charges information for billing.

361165

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