Call Star is a mobile application for Android and other smartphones, offering VoIP Calls from data enabled mobile phones (2G/3G/4G or WiFi) to any landline or mobile devices around the world. Features:*VoIP Calls via Wi-Fi, 2G / 3G / 4G.*Works in all Countries and all Networks across firewalls.*Smooth voice quality*Echo cancellation*Uses very less bandwidth.
For End Users:You will be prompted for the following while starting the app:1. Operator Code – Get Operator Code from your VoIP service provider.2. User Name – User name is provided to end user by VoIP service Provider.3. Password – Password is provided to end user by VoIP service Provider.