The Viseon VisiFone is made by Leadtek.
Price listed on the website is $599, but there is no indication of how to purchase one.
From the website
The VisiFone is the world’s first low-cost broadband videophone. It is a self-contained system that does not require a PC or any external equipment. The VisiFone operates on any broadband connection and home or office network including high-speed Internet connections via DSL or cable modem. The VisiFone is H.323 or SIP compliant and delivers up to 30 frames per second video and crisp audio quality utilizing 128k to 512k of bandwidth. It is compatible with virtually all corporate video conferencing systems, yet at $599, the VisiFone can be used by the over 20 million broadband connected U.S. homes.