fax machine (in most cases) actually uses the plain-old telephone network. when you dial your recipient's fax number on the machine's keypad, and the two machines connect, your machine starts sending those audio tones over phone lines. hope this helps :)
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Answer:
fax machine (in most cases) actually uses the plain-old telephone network. when you dial your recipient's fax number on the machine's keypad, and the two machines connect, your machine starts sending those audio tones over phone lines. hope this helps :)