Voice over IP (VoIP) services such as Vonage, AT&T CallVantage, and Packet8 have recently gained popularity. Unfortunately, there's a catch: your VoIP phone only works with the phone company you bought it from. In this live demonstration, TProphet wilhow you how to free a D-Link DVG-1120M VoIP adapter from the chains of AT&T CallVantage service. He will also demonstrate FreeWorldDialup, a free alternative to paid VoIP services.