NTMN33 Nortel Meridian M3903 Enhanced Telephone
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.

Some part number associated with this product are;
NTMN33GA70 NTMN33GA NTMN33FB NTMN33BA NTMN33GE