Developer: Vopium
App URL: http://www.vopium.com
Category: Web Phones & VoIP Software

Requirements:

Vopium is a free application which enables you to make cheap international calls, SMS, backup your contacts and much more directly from your mobile phone. With Vopium you can call friend and family abroad at very low rates directly from your mobile phone. Simply install Vopium and allow the application to run in the background while you perform your calls. Vopium automatically detects when you dial an international number and routes your call in the cheapest possible way. Send international SMS through Vopium to as low as 0,1 euro a SMS Backup your contacts using the Vopium sync: You will never have to worry about losing your phone again. Vopium Sync securely backs up your contacts and calendar entries directly to your online Vopium account. Simply press the Sync option from the application and choose Contacts or Calendar to back up your most important data.