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Make your own telephone exchange

Discussion in 'General Electronics' started by Jim Jones, May 16, 2004.

  1. Jim Jones

    Jim Jones Guest

    Hi, I am wondering if anyone has any circuit designs or knows of any
    websites about building your own telephone exchange, like the ones
    businesses have.
     
  2. Bill Vajk

    Bill Vajk Guest

    Second hand equipment is generally inexpensive. But if you
    really want to "roll your own" you might start by building
    an emulator that applies the correct voltages at the
    right impedence and provides a ringing voltage.

    Now this presumes you're talking about a POTS.

    If you're talking about a digital system, and that's
    what's being sold these days, then you're in for
    a pretty good adventure, and the more features you're
    looking for the more complex the whole thing grows.
     
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