Insaf Voice is an smooth application for all android handsets. Voice quality is good, have all destination route. Insaf Voice is a mobile app for VoIP platform that works as a terminal for making VoIP calls. It utilizes SIP protocol and requires data service of GPRS/3G/4G or WiFi network. This application is designed for VoIP service providers and end users. Service providers should provide their soft switch IP and port and they will get an operator code for their service. Customizable branded s