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The Packet8 VideoPhone from 8x8 offers video calling at a low price, though it lacks other bells and whistles common to most VoIP providers
The biggest U.S. phone company's Internet-based calling service offers excellent quality and a bevy of features -- though not all are easy to use
Why AT&T CallVantage, the Internet phone service with the venerable telecom's name, stole my skeptical heart
Primus' VoIP service offers low-cost international calls, and that part of the service works well. The trouble starts with the special features
TotalTalk VoIP service aims to meld e-mail, instant messaging, and phone functions. But the technology doesn't match its ambition
Digital Voice costs more than many rival VoIP services, but quality, reliability, and professional installation make it a standout
The popular, Internet-based phone service boasts some innovative features. But it's not ready to replace your landline
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