Viber 188.8.131.52 for Windows Phone
Viber 184.108.40.206 for Windows Phone - With this application, you can communicate with your friends, using text messages and free calls with high audio quality, connecting to a WiFi, 3G or 4G network.
After you download Viber for Windows Phone, you can use your phone number as an identifier. This means, that you will be able to quickly find your friends, knowing only their number. In the same way, your friends will be able to find you. Also, Viber automatically synchronizes your phonebook with its contact list.
You can chat with your friends using text messages with emoticons, photos, your location info and funny stickers, some of which are free to download, and some requires additional purchase in the built-in store.
Besides of making calls to other users, you can call any fixed and mobile numbers of the planet, using the Viber Out feature. Such calls will no longer be free, but low prices will pleasantly surprise you.
Also, Viber is cross-platform program. This means, that you can download Viber for iPhone, Android, Windows, Mac and even Linux, and chat with friends from anywhere. In this case, even if you decide to download Viber for PC, all the history of your messages and calls, as well as all the contacts, will be automatically synchronized.
You can customize the design of the application by choosing from a large number of backgrounds for chats from the built-in Gallery. In addition, the program has a function of using the live tiles of the lock screen, which can not only display notifications about incoming messages and calls, but also can be used to attach the most frequently used chats on them.
screenshots of Viber
Windows Phone: INTERNET / Voice and Video Calls