Mobile Application is the easiest way to make high-quality (low cost) International calls over Wifi, 3G/4G or Call Back. It will help you to slash your mobile phone bills and allow you to make direct calls from your phone book. You do not have to remember long phone numbers and PINs anymore. Enjoy other advanced features like, three party conference, Assign Singapore virtual number for Global Roaming with Free incoming calls. Available for Android & IPhone.