Software that turns your wi-fi connection into a "phone line"? You bet, and it could save you big bucks.
As more phone traffic travels over the Internet, more computers will be doubling as telephones. Any Internet-connected desktop, laptop, tablet or PDA with a mic and speakers can become a softphone by adding a small inbox/dialer client that links to an Internet-connected server elsewhere.
Why bother? Because calls traveling exclusively over the Internet cost the same whether the other party is across the street, across the country or around the world- and that cost is usually zip, zero, nada.
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