SEE A1832-0000-00-02 "The Meridian 6320 represents the next generation in the development of digital Centrex Telephones. With sleek new styling and both headset ports and handsfree speakerphone, the M6320 is ideally suited for both medium/large enterprise and call center enviroments. Key Features Include: Sleek new design, 13 Programmable feature keys, Automatic Prime Line Selection, LCD indicators, Enhanced speakerphone, Dual Headset jack, Visual Message waiting, Hold, release and mute keys, Adjustable 2-line x 24 character liquid crystal display, compatible with M622 Expansion module, Visual ringing indicator, Multiple Language presentation, Call timer"