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In Old Movies, Why The Dial Tone After Someone Hangs Up?

Tom Scott6.75M subscribers

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Explains the historical and technical reasons dial tones played after phone disconnects in old movies. Teaches telecommunications history and audio design.

A 3-minute video from Tom Scott: “In Old Movies, Why The Dial Tone After Someone Hangs Up?”.

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Video by Tom Scott, played through YouTube's embedded player.

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