Simple and user friendly interface.
Integration of native phone book records.
Balance display without need of additional balance server setup.
Call log facility.
Last call duration on screen display after any successful call.
Smooth Voice Works on Session Initiation protocol (SIP).
Smooth Voice Supports Network Address Translation (NAT).
Smooth Voice Supports Standerd SIP Soft switches.
Smooth Voice Works in Edge, GPRS, Wi-Fi, 3G and 4G networks.
9Apps 4.9
