Penguin mobile dialer for Android
• Penguin is a SIP-based soft phone. You can call your friends and family from Penguin with lowest international call rates! And very good quality.
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
by H####:
I am used this apps it's very good