The document describes an Android VoIP mobile dialer application that allows users to make phone calls over the internet using their Android devices. It supports SIP protocol and codecs like G729, G711, GSM, and G722. The application is available on Google Play Store and iTunes, and supports Android versions 1.5 and above. It provides features like call logs, call status indicators, and saving usernames and passwords. Contact information is provided for the management team and for general inquiries.