The X6U IP Phone is a dynamic business communications solution for executives and professionals. This phone offers a large 4.3 inch color screen which can also decode the video from IP camera and door phone. The X6U is also with Fanvil Optima HD Voice technology and wideband codec of Opus for unparalleled audio clarity. Phone users will think they are sitting in the same room with one another. The phone uses Gigabit Ethernet technology for rapid call handling. Plus, it works in conjunction with Bluetooth USB Dongle and USB recording features.