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What would happen inside an electromechanical central office if you left your phone off hook?

From the channel Connections Museum

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[-] kalkulat@lemmy.world 2 points 2 months ago* (last edited 2 months ago)

Wow. I can't believe it took me so long to learn about that. And no tour needed. Interesting, thanks!

this post was submitted on 18 Aug 2024
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