AT&T CallVantage is a hardware-based VoIP service that is compatible with most high-speed Internet services and telephones. Check out the full review from Consumer Guide....
Skype 2.6 for Mac offers a host of VoIP services, including free computer-to-computer calls, video calls and text-based chat. Check out the full review from Consumer Guide....
Yahoo! Messenger 8.1 offers many attractive VoIP options, but it can't replace a standard phone system. Check out the full review from Consumer Guide....
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