This Week In Gearhead: A great, free VoIP system

In Gearhead this week we unwrap some really cool VoIP stuff, including 3CX's free software-only VoIP PBX and a couple of D-Link VoIP DVG-2001S Terminal Adapters that convert regular telephones into Session Initiation Protocol (SIP) phones. These products have resulted in more than a few hours of play, er, testing and analysis over the last few days.

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