NXG is a VoIP application with crystal clear voice clarity. It needs 3G/4G/EDGE/Wi-Fi data connection to ensures uninterrupted communication. It can record the VoIP call and has build-in voice recorder and player. Other Features: Supports 3G/4G, GPRS, EDGE and Wi-Fi networks for Internet connectivity. Can record, play VoIP calls and share the recorded files with others.