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Re:Running a fake power plant on the internet for a month by e12e on Saturday January 16, 2021 @12:28PM (#25803682)
Interesting. Still wonder how a called could be billed without generating a paper trail that could be used for tracing?
Re:Running a fake power plant on the internet for a month by retrac on Saturday January 16, 2021 @01:09PM (#25804004)
They were billed at the outgoing end, handled at the local exchange for the most part. Handled offline until quite late at a lot of them -- think rolls of paper tapes (later magtape) logging calls, to be read in at the billing office at the end of the month.

You'd still have to know which exchange the call was coming from, to track it that way.

Re:Running a fake power plant on the internet for a month by arminiusreturns on Saturday January 16, 2021 @04:06PM (#25805510)
Iirc that was one of the ways they finally got Mitnick back in those days.