| 2-line x 24-character LCD
display
12 programmable line/feature buttons
12 feature-only buttons, four soft keys
4 navigation keys for browsing feature menus and programming
Dedicated headset jack
Displays Caller ID and internal extension information
Provides such features as hold, transfer, conference, redial, and mute
Built-in 2-way speakerphone
For wall mouting, must use large wall mount kit
If you are using a 4450 DSS, auxilliary power supply is required
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