Meridian 3900


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.


M3900 Key-based Expansion Module-Overview

Expansion Module provides 22 keys for any combination of lines and features. The M3904 and M3905 each support up to two expansion modules, for a total of 44 additional keys. The Key-based Expansion Module is the perfect option for busy receptionists, administrators, and managers. Use with your Nortel M1 Option 11C PBX system.