RKVOIZ is a Mobile VoIP dialer application developed by Voizarabia for Android devices. This app allows users to make VoIP calls using 3G/Edge/Wi-Fi internet connectivity. It is specifically designed to meet the requirements of VoIP Providers' business needs.

The application uses the SIP protocol for signaling and supports G729, PCMU, and PCMA codecs. It can run behind NAT or private IP, ensuring seamless communication. RKVOIZ offers a user-friendly interface, making it easy for users to navigate and make calls. The app also features auto sync of balance, providing real-time updates on available credit.

With RKVOIZ, users can access their call history and integrate their address book for easy dialing. The application is compatible with all SIP standard switches, ensuring compatibility with various VoIP service providers. It also implements an efficient jitter buffer to play voice smoothly, enhancing call quality.

Additionally, RKVOIZ uses silent suppression and comfort noise generation to reduce bandwidth usage, making it more efficient in making VoIP calls. The app integrates with the mobile phonebook and automatically detects the "+" sign when a contact is picked from the phonebook.

Overall, RKVOIZ is a reliable VoIP dialer application that offers a range of features to enhance the calling experience on Android devices.