The Fanvil X5S IP phone is a high-end enterprise desktop phone suitable for both small and large businesses. This phone has a 3.5-inch colour screen and a DSS screen allowing up to 40 DSS keys that increases enterprise users' productivity at a cost-effective price. It offers a better overall performance than the X3/X4, the interface on this device is faster and more responsive. It supports Bluetooth with USB dongle and EHS wireless headset for a better experience making it equipped for professional office working. The Fanvil X5S has HD voice and a full duplex speaker. It is compatible with major platforms: 3CX, Broadsoft, Elastix, Asterisk, Xorcom etc.