Core4VoIP Mobile Dialer

Core4VoIP dialer is a SIP dialer for the Android operating system. It is designed to work in low bandwidth areas. The voice goes as IP packets through the Internet. I worked as a team member on this project.
Technology Used - SIP (Session Initiation Protocol), VoIP (Voice over Internet Protocol), VPN, Load Balancing, Geo-Blocking, etc.
Application link - Google Play