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553-3001-216 Standard 5.00 January2002
M3904 Professional Telephone
Thefeatures of theM3904 telephonei nclude:
• six ProgrammableLine/Feature Keys (self-labeled) which have two
layerseach, giving the user access to 12 Line/Feature keys
• fourContext Sensitive Soft Keys (self-lab eled) that change functionality
dependingon the features available or the application in use
• Handsfree Calling with LED
• FixedFeature Keys: Options, Message, Directory/Log (including Redial
List),Applications, Shift, Goodbye, Hold, “Smart” Mute, Volume
control
• Navigationcluster, Quit, and C opy
• fiveline by twenty-four character display
• PersonalDirectory
• CallL og (includes Redial List)
•GroupListening
• on-hookdialing
• two accessory ports (support for an amplified/unamplified headset)
• DirectConnect Headset port