magicJack

magicJack uses VoIP that allows its users to make local and long-distance calls to the U.S. and Canada.

magicJack Vocaltec invented Voice over IP (VOIP), having sold over 10 million magicJacks since product launch. In addition, their Telephone App/Softphone is being downloaded millions of times per year on smartphones, computers, tablets and iOS devices that can be used anywhere in the world to make and receive calls.