This is a computer system, which allows exchanging personal voice messages, delivering of voice information as well as for the processing of transactions linked with private persons, organizations, goods and services, with the help of the ordinary telephone.
Callcentric
Callcentric is a service that lets you make free phone calls to other Callcentric members and to traditional phones world wide at great rates. Callcentric uses your internet connection and software on your computer or a telephone adapter to place calls us
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