YesDial is a mobile dialer or application which makes VoIP calls with Great quality on Apple iPhone, iPad, iPod and it uses the 3G/Edge/wifi Internet connectivity. YesDial is developed based on the requirements of VoIP Providers business needs. Features :- SIP protocol based for signaling. User Friendly Interface. Auto Sync of Balance. Real Time Sip status messages. Call History. Loud Speaker. Hold. Address book integration.