PlazaCall is an iPhone Mobile dialer to make VoIP call using iPhone. This application lets our clients of PlazaCall service to make VoIP calls from their iPhone. PlazaCall makes use Wi-Fi networks or 4G/3G service, for calling from mobile set using VoIP technology. Users can configure CLID calling after validating their Mobile Numbers. Users can also chat with their buddies using PlazaCall service.