SNTALK is a free Mobile VoIP dialer application that allows users to make VoIP calls from any Android device, using 3G/Edge/Wi-Fi internet connectivity. The application is developed based on the requirements of VoIP Providers business needs.

The application's main features include making VoIP calls to GSM numbers, receiving calls from other users of this application, sending SMS to GSM numbers of supported countries, and top-up to GSM numbers in supported countries. The user interface is simple and easy to use, making it accessible for all ages. The app also has a clear call quality, which makes communication smoother and more efficient.

Overall, SNTALK is a great option for those who need to make international calls frequently. The app is free to download, and with its multiple features, it provides a complete solution for VoIP calling needs.