Features• SIP-based softphone with exceptional voice quality• Works from Wifi/3G/GSM• Support for DTMF• Easy contact book, call history.In addition to your cost savings, we offers: • Secure and reliable communication• Compatible with VOIP switches supporting standard SIP• Unique anti-block solution• Option to brand own dialer• Advance Echo Cancellation• Flexible integration with your phone book contacts• Screen display for your call history, call timer and balance