Hit the road, landline

David Christian of Eagan, Minn., has been doing the landline shuffle. He's among the 25 percent of Americans who have dropped traditional phone service from providers such as Qwest and AT&T, according to the National Health Interview Survey released last week. Many of them replaced the landline with a cell phone. But Christian and other customers who prefer a home-based phone save $40 to $50 a month by using an Internet-based service -- or Voice over Internet Protocol (VoIP).

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