text: AT amp;T Embraces Voice-over-Internet Telephony AT amp;T is attracted to Voice over IP because Internet telephony is cheaper to offer to businesses and consumers and requires less upfront investment than the old copper wire and traditional switching networks.
inputs: AT amp;T Embraces Voice-over-Internet Telephony AT amp;T is attracted to Voice over IP because Internet telephony is cheaper to offer to businesses and consumers and requires less upfront investment than the old copper wire and traditional switching networks.