Simply put, this is a nice phone to showcase on your desk. It has on-board USB to kickstart your headset.
The Fanvil X5S is a high-end enterprise desktop phone which comes with an intelligent DSS Key-mapping LCD and uses a Broadcom chipset to provide a high interoperable audio communication solution.
It features a high-resolution 3.5 inch colour LCD screen as well as a secondary LCD display for using DSS key-mapping to provide dynamic labeling for the speed dial keys. The Fanvil X5S provides wide-band audio from the handset and the full-duplex speakerphone with acoustic echo cancellation. A wired headset can be used with the RJ9 port. The Fanvil X5S has dual Gigabit Ethernet ports which include pass-through for simplifying your deployment and PoE support for powering the phone. Security features include 802.1x for network control access, HTTPS auto-provisioning, and support for OpenVPN. The dual function back rack allows the phone to be wall mounted or placed on a desktop.