Nortel M3900 Series Meridian Digital Telephones bring the functionality of Meridian 1 and Meridian SL-100 to the desktop with display-based interfaces, call log, self-labeling keys, and simplified administration.  The M3900 portfolio offers five models and a variety of accessories to meet diverse requirements for features, ease of use, and productivity.

• M3901 Entry Telephone
• M3902 Basic Telephone
• M3903 Enhanced Telephone
• M3904 Professional Telephone
• M3905 Call Center Telephone