Nortel Meridian M3900 Key Based Expansion Unit NTMN37 (Platinum/Refurbished) AT&T 0114 or 550

0114 or 550

record a personal greeting

256 MB SDRAM

Music with two separte music channels

Professional Call Center and Reporting

Nortel Meridian M3900 Key Based Expansion Unit NTMN37 (Platinum/Refurbished) AT&T 0114 or 550The Meridian M3900 series expansion module provides 22 keys for any combination of lines and features. The Meridian M3904 and Meridian 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. More Information Mnfr. Part #: NTMN37 Use with your Nortel M1 Option 11C PBX system