Viber is an application that allows free calls from iPhone, Android, Blackberry and Symbian. You can call for free to any other Viber user no matter which corner of earth he is. This is VoIP application similar like Skype and Fring.
To start calling or sending messages is not necessary to register or obtain a user (nick or PIN) or enter via a password, as the only identification is the actual phone number and reached with it to call your friend who use Viber .
Viber provides excellent call quality in mobile platform. This is mobile VoIP calls so obviously it requires internet connection either 3G or Wi-Fi or sometimes GPRS also works. The application can be running in the background without consuming resources or battery, waiting for any incoming call or a text message from a contact.
Since the Viber runs in background whenever you receive any call or SMS through Viber it will alert you similar like you regular calls or SMS.
Viber 2.1.2 is the latest version available for free download and use on iPhone (IOS 3.0 or later) and Android devices. Besides being free it contains no advertisements.
