“Voice-over-IP (VoIP) is nothing new, of course, but so far it’s been regarded merely as an add-on to America’s regular, analog-based copper and cellular voice networks — networks that are currently maintained as a matter of legal requirement.”
Our digital world ……
“Voice-over-IP (VoIP) is nothing new, of course, but so far it’s been regarded merely as an add-on to America’s regular, analog-based copper and cellular voice networks — networks that are currently maintained as a matter of legal requirement.”
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