TSN

TSN is a Mobile VoIP dialer application that allows to make VoIP calls from any of the Android devices and it uses 3G/Edge/Wi-Fi Internet connectivity.
Features:-
*Simple and user friendly interface.
*Integration of native phone book records.
*Instant balance display.
*IVR facility.
*Call log facility.
*Works on Session Initiation protocol (SIP).
*Supports most SIP supported Softswitch.
*Works in Edge, GPRS, Wi-Fi and 3G networks.
*Custom branded dialer with customers choice is also available.