Xtravoip-Dialer is a free VoIP mobile dialer application that can be used to make calls over the Internet. This is an Android-based application that works on devices with low-bandwidth Internet connections. You can use it on 3G/Edge networks. The app allows you to make calls with a high-quality sound and you can use it in countries where the service is available.

This app works with many different types of devices. You can use it on your mobile, tablet, laptop, desktop, or any other device that has an Internet connection. It is a very easy-to-use application that works with the standard SIP protocol.