Phone
70 points Hard

My boss was calling me yesterday but I wasn't able to answer the phone. He left me an encoded message in the voicemail. There are a lot of weird sounds going on. I have to know what he wanted to tell me. Could you help me decode it? I bet it's something important.

Here is the audio file from my voicemail:

phone.wav
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Discussion

very cool. be patient and listen to beeps until pattern emerges. it will seem like a ton of work at first, but it quickly unravels once you get started

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is this dtmf or morse? or is there anything i havent tried?

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Missing 2 character make my code broken, also i can't read it. And finally when adding some, i found it ;D. Good challenge

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No problem with the file.

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