With low per-minute rates and zero connection fees, Viber said it can offer "significantly lower" prices per call than rival Skype. "We will continue to improve Viber Out, keeping our users connected at the most affordable rates possible." "Viber Out gives our millions of users a new way to use Viber and ensures that they can reach any contact at any time," CEO Talmon Marco said in a statement.
Windows Phone compatibility is expected in the future. Simply purchase Viber Out credit via the mobile or desktop application, and begin making worldwide calls on your smartphone or desktop. With Viber Out (Opens in a new window), users can make relatively cheap calls to any mobile phone or landline around the world, even if the recipient is not a Viber user. Viber's latest update for iOS and Android added a new low-cost calling feature known as Viber Out.