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The M3903 Enhanced Telephone is a multi-line digital phone supporting up to four lines and/or features. The productivity-enhancing Call Log feature displays the incoming and outgoing calls while the fixed feature keys allow you to switch easily from handset or handsfree to headset use, personalize the phone using the Options list, and quickly access your voice messaging system. Key Features: Multi-line phone with three-line x 24-character display Call Log for incoming and outgoing calls Interactive soft keys for quick access to numerous features Fixed feature keys: Hold, Goodbye, Volume Control, "Smart" Mute and Headset w/LED, Options, Message, Call Log (Includes Redial), Applications, Shift Handsfree with LED Direct-connect headset port Supports two snap-in cartridge accessories for Analog Terminal Adapter or External Alerter & Recording Interface

Fully remanufactured to look and work like new, with one year warranty. This phone will only function in conjunction with the Nortel Meriidan Option Series or Succession Series telephone systems. It cannot be used as a "standalone" telephone (i.e. for home use). This model is also known as: NTMN, NTMN33, NTMN33GA, NTMN33GA66, NTMN33GA70