It may not look like it but Heather Dushowny is making a revolutionary phone call talking over the Internet using a technology called Voice over IP. "I plug this cord from the computer into the ...

Voice Over IP Explainer By Jeremy Caldera, CTS-D, CTS-I ( AV Network) published 12 January 2021 When you purchase through links on our site, we may earn an affiliate commission. Here’s how it works.