Viber is an application for iOS and Android OS that allows users to make free phone calls and send free text messages to anyone who has the application installed. Viber works on both 3G and WiFi networks.
The developers of the popular cross-platform app for communication indicated that the work on the client for Windows Phone are underway but have to wait until the first version BlackBerry is released.It seems that at least two months time Windows Phone user can enjoy Viber, just in time for Summer
