Fire your phone company! Make free calls to the US & Canada and ultra-low cost international calls from anywhere in the world. The netTALK DUO is a sleek and small VoIP telephone device that connects directly to your router or computer, creating a fax-friendly phone line with free calling features such as 411 Directory Assistance, Enhanced 911, Visual Voicemail (voicemail to e-mail), call waiting, conference calling, a videophone application, and conference bridge. Calls from DUO to DUO are free from anywhere in the world.
With no contracts or monthly bills, the DUO includes 3 months of USA + Canada calling. Also, you do not need to connect the device to a computer, which results in significant energy and cost savings.