iVoip Dialer is a VoIP Softphone to make VoIP call from the Android Phone & Tablet. It works over Wifi/3G/4G/EDGE. IVoIP Dialer support high quality audio. Codecs like, G729, G711a, G711u, g722, PCMA & PCMU. You need an operator code to use this dialer, it is works only with Saba Communications. Associated voip providers.