JAJAH.Mobile Web is designed for small displays and mobile Internet connections. Pure calling functionality on the go. It is easy to use. Just type in your JAJAH user name and password and you're ready to go. 1-click call to any address in your JAJAH address book. No download required! Popular devices that perfectly fit include Blackberry, Treo, iPAQ, Smart phones by Motorola, Nokia, SonyEricsson, Samsung, just to name a few. JAJAH Mobile Web works great with operating systems like Microsoft Windows Mobile, Microsoft Windows CE, Pocket PC, Symbian OS and others. No headset, no download, no software, no fees, no hidden costs. Keep the phone and carrier you already have to call more than 200 countries.