Developer's DescriptionBy DONAPHMake SIP phone calls on your ANDROID PHONE- Make FREE calls to usa, canada, europe landline using your ANDROID PHONE...- Make SIP phone calls on your ANDROID PHONE- Make FREE calls to usa, canada, europe landline using your ANDROID PHONE- Make cheap calls to any international destination- Save on calling charges using Wifi, GPRS, EDGE or UMTS- Works all around the globe: anywhere, anytime- All calls made by OLIVOIP are saved on the phone (recent) with all details like call duration and time.