The Mitel 5448 Programmable Key Module is an expansion to the Mitel 5220 IP phone. This unit will add 48 additional feature keys that can be programmed as speed call keys, direct station select keys, or line appearances keys.
Adds onto Mitel 5220 IP Phone
48 programmable multi-function keys
Line status indicator for every key
One Year Warranty Included with Extended Warranty Options at Low Prices!