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This is an CCITT4 Key 4 Phone Tone.
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Phone tone, CCITT4 Key
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Phone tone, CCITT4 Key
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Phone tone, CCITT4 Key
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Phone tone, CCITT4 Key
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Loud click and clunk of cassette machine mechanism stopping
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0:41
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Reverse beeps from an ambulance,engine idle, features radio chatter
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0:02
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Male through a CB radio saying, "Whatever"
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0:17
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Various call signs from a spacecraft radio transmission
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0:35
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Ambulance in motion, with rattling from back of vehicle and some radio chatter
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0:02
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Man through CB radio says, "Yeah I can hear you now"
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1:26
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Police 2 way radio intermittent communication with radio squelches and splats
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0:24
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Radio chatter in an ambulance, interior perspective
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0:55
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ATC radio chatter from the cockpit of an aeroplane
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0:01
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Noise of a modern fax machine
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0:02
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CD player tray mechanism slides open and stops with thunk
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0:17
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Old-style tape recording answer machine, switched on,tape rewound, played, caller's hang-up at end
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0:54
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An ambulance in motion, featuring rattling from back of vehicle and radio chatter
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0:03
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Opening plastic video case, with handling noise and click of case open
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0:01
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High pitched beep of a CB radio
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