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Phone Tones: The hidden language of phone number beeps
Twenty Thousand Hertz
Touch-Tone Signaling Will Be a Thing of the Past
Within the next decade or so, touch-tone signaling will be a thing of the past. Once it is, will phone companies even bother to put these useless noises onto our cell phones? Will the next generation even recognize those sounds? I mean, when was the last time you heard this? Or this? Just like those other phone sounds, touch- tone sounds might slowly fade into oblivion before you even realize it.
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