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I wanna make a program that can keep track of the costs of calls made. Therefore I have to be able to do at least these things:
- block the phone line so the phone cannot be used
- read numbers that are dialed on the phone
So far I have not been able to find much about this on the net. I would like to know if the above is possible, if it's possible with just any modem and what other kind of functionality there is in a modem to control/monitor the connection between a phone and the phone line.
i think a modem could only track phone calls made through it.. so someone would need to be using a phone that is run through the modem. i don't know of any programs, linux or otherwise, that do this, tho.
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