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AT&T CallVantage: Wikis

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AT&T CallVantage is a VoIP telephone service first offered in 2004 by AT&T Corp., upon the heels of its announcement that it would stop seeking traditional local- and long-distance land-line customers.

After SBC Communications purchased AT&T Corp. in 2005 and merged into AT&T Inc., CallVantage was offered as an option with AT&T Yahoo! DSL service, formerly known as SBC Yahoo! DSL.

AT&T CallVantage had previously competed with other VoIP providers, such as Vonage but suspended new business in 2008 while AT&T continues "to evaluate CallVantage service." [1] [2]

In a letter dated April 17, 2009, AT&T notified all existing Callvantage subscribers announcing the service would be discontinued at some point during 2009[3]. It was later announced that the shutdown date would be October 20, 2009. AT&T's CallVantage service has been discontinued and is no longer available.

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