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A comment on The number input is the worst input. Parent comment

Re:The number input is the worst input by Someone on Friday September 16, 2022 @11:13AM (#32867154)
Historically, you whistled them (https://en.wikipedia.org/wiki/Phreaking), or you bought a hardware ‘whistle’ from the likes of Steve Jobs (https://en.wikipedia.org/wiki/Blue_box)
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Re:The number input is the worst input by dmd on Friday September 16, 2022 @12:51PM (#32868843)
If you can whistle two tones simultaneously (the D in DTMF means dual), I'd love to hear it.
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Re:The number input is the worst input by Someone on Friday September 16, 2022 @04:35PM (#32871694)
https://youtu.be/jAG3fQpeZtU (not me)
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