This is the blurb that goes with the Vspna pic: Polyspan's group and desktop products lead the market in terms of units shipped. The ViewStation systems, which can be used in any conference room for meetings of any size revolutionised the market when they were introduced three years ago. ViaVideo is the first desktop video unit to offer an affordable, easy to use yet high-quality video solution suitable for mass deployment in businesses everywhere. ViaVideo offers full-motion, full-screen two-way video and full duplex digital audio and works over commonly available Internet Protocol communications infrastructures.