What happens if you leave your phone off the hook?
What happens if you leave your phone off the hook?
What would happen inside an electromechanical central office if you left your phone off hook?
From the channel Connections Museum
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The telephone is ringing so i ripped it off the wall...
Now I can't make a call.
Wow. I can't believe it took me so long to learn about that. And no tour needed. Interesting, thanks!