Real Telecom

Real Telecom is a world best mobile app for Android and other smartphones, offering a range of functionalities like VoIP Calls & SMSs, cross-OS Instant Messaging and much more from data enabled mobile phones (3G/4G or WiFi).

For using this app, end users have to put a operator code, which they can obtain from a VoIP Service Provider. While Service Providers can use this White Label Platform to offer Mobile VoIP services in their own brand. Its others feature also good.