AT&T CallVantage

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AT&T CallVantage is a VoIP telephone service provided by AT&T Inc.

AT&T CallVantage was first offered in 2004 by AT&T Corp., upon the heels of its announcement that it would stop seeking traditional land-line local and long distance telephone customers. AT&T CallVantage was meant as competition to other VoIP providers, such as Vonage.

After SBC Communications purchased AT&T Corp. in 2005, and changed its name to AT&T Inc., AT&T began offering CallVantage as an option with AT&T Yahoo! DSL service, formerly known as SBC Yahoo! DSL.

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