Tone dialing
30 points Easy

At 1pm I called my uncle who was 64 years old 10 months ago, but I heard only that. Later I started thinking about the 24 hour clock.

I hope you will help me solve this problem

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Rating 4.60
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Discussion

given description is disappointed so not flow the description. Then it is easy to solve

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67847010810197110123678289808479718265807289125

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Search about DTMF

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You do have to find the right DTMF decoder tool, and then manually spellchack the resulting flag. Fun, but easy

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piece of cake

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First I felt like it was impossible. But I solved it

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Hint: DTMF

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If You Got Numbers convert them from decimal to ASCII

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One of the most interesting challenges on CTFlearn. Thank you, GreenGoblin30!

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