callpro

High quality voice transmission

Callpro is a 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 will need an 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.