0:01
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Beep, phone number, nine
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Beep, phone number, five
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Morse code short beep.
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Beep, low, chorus, buzz
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Beep, low stab, fast
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Morse code letter "X"
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Beep, electronic, multiple, short
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Morse code letter "M"
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Beep, mechanical, buzz ,short
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Beep, digital, long reverb
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