Method for collecting calling number identification data...

Details Method for collecting calling number identification data... Method for collecting calling number identification data...

H - Electricity

04

M

H04M 3/42 (2006.01) H04M 11/06 (2006.01)

Patent

CA 2097626

A METHOD FOR COLLECTING CALLING NUMBER IDENTIFICATION DATA (CNID) INTO A PERSONAL COMPUTER WITHOUT THE NECESSITY OF MAINTAINING THE PC IN A POWERED STATE ABSTRACT A method for collecting information from a telephone line and passing the collected information to a computer when the computer is in a powered up state. The informa- tion is either present between ringing signals or any dialing tones sent after the telephone is taken off-hook. The method requires that the ringing of the telephone or the off-hook of the telephone be detected. After one of these is detected, the information from the telephone line is demodulated. Next, the state of the computer must be determined. If the computer is powered down or the required software is not operational, the informa- tion retrieved from the telephone line is stored. The computer is continually checked for a powered up and operational conditional. When the PC is operating, the information is then transferred to the computer.

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