H - Electricity – 04 – M
Patent
H - Electricity
04
M
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
Gte Automatic Electric Laboratories Incorporated
R. William Wray & Associates
LandOfFree
Billing interface circuit does not yet have a rating. At this time, there are no reviews or comments for this patent.
If you have personal experience with Billing interface circuit, we encourage you to share that experience with our LandOfFree.com community. Your opinion is very important and Billing interface circuit will most certainly appreciate the feedback.
Profile ID: LFCA-PAI-O-119327