Dialer is a mobile app for Android, IOS, Windows and Symbian platforms that allows VoIP Service Providers offer the best voice calling feature with a range of functionalities like: VoIP Calls & SMSs, cross-OS Instant Messaging. Dialer is a 3G/4G/EDGE/Wi-Fi equipped dialer with crystal clear voice capabilities. It enables simple, hassle-free Mobile VoIP and ensures uninterrupted communication.