Viber Out: call non-Viber mobile and landline numbers at low rates.The app syncs with your mobile contact list, automatically detecting which of your contacts have Viber. Viber is available for many mobile and desktop platforms. More than 300 million Viber users text, call, and send photo messages worldwide over Wifi or 3G - for free. With Viber, everyone in the world can connect. Along with Skype and Nimbuzz, it is one of only a handful of VoIP apps for Windows Phone that support calling numbers outside the the service's own boundaries (i.e. This latest update continues Viber's policy of regular updates for its Windows Phone app, which has made Viber one of the best VoIP and messaging based apps available for Microsoft's mobile platform. In an improvement to the calling experience, Viber has now made it possible for calls to be transferred to a Bluetooth headset, something that's useful if you're making a longer call in a noisy environment. It's now possible to send a video messages to contact and send multiple photos at one time when chatting to a contact. The lastest release of Viber also sees improvements in Viber's core messaging experience.

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