Mitel MiVoice Dialog 4422 IP Office Phone
The 4422 IP has 13 function keys with integrated LED indicators. Seven of the function keys are programmable for speed dialing or service features supported by the telephony system.
In addition to the 4420, the 4422 includes a graphical two-line display for number and name presentation. The display, with adjustable viewing angle, is also used for menu and status information. To further extend the usability, the phone supports one extra Key Panel Unit with 17 programmable keys, and an Option Unit, providing interfaces for extra bell and busy signal/lamp. With the dedicated headset and loudspeaker/hands-free keys, the user can easily switch between the different modes.