FIP-5220 is an enterprise-level screen IP Phone. With all the necessary VoIP features and other extended features like EHS headset, BT dongle and Wi-Fi dongle. 10 DSS keys on the main display (9 DSS keys and 1 page key), up to 45 DSS keys (9 two-colored physical keys for up to 5 pages)， and Support EHS wireless headset, Wi-Fi dongle or BT dongle, and Expansion Module. Stand with 2 adjustable angles of 45 and 50 degrees. The VoIP Phone provides a high-quality and convenient experience for users.