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  1. forums.nasioc.com

    08-26-2004 04:47 PM by ForceFed4. So I've been thinking about trying out ATT CallVantage, their VoIP service, as it would be cheaper for me to use that than continuing to pay for my landline. BUT: I don't want to cripple my internet connection speed either, as I like to game online. If VoIP is going to eat all my bandwith anytime the phone ...
  2. en.wikipedia.org

    AT&T CallVantage was a voice over Internet Protocol 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 landline customers. ... AT&T suspended new business later in 2008 "to evaluate CallVantage service." [3] [4] In a letter dated April 17, ...
  3. voipmonitor.net

    Introduced in late March 2004, AT&T CallVantage works with a customer's broadband connection to provide a complete calling solution with unlimited local and long-distance domestic calling, including calls to Puerto Rico and the U.S. Virgin Islands, unlimited calling to Canada, discount rates for international calling, and a suite of advanced ...
  4. blog.tmcnet.com

    Well, AT&T is calling it game over on the VoIP game. I have been using CallVantage since 2004. It has worked very well with some pretty decent quality. It has an easy to use portal; call forwarding; simul ring; click-to-dial; voicemail-to-email; and more. Oh, yeah, the Simple Reach number so I can provide clients with a local number.
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