Description
- The M3820 is for executives, managers, and their personal assistants, the M3820 is the perfect desktop tool, putting more lines, more features, and more business contacts in quick and easy reach.This M3820 phone provides simple, one-touch access to a combination of up to 13 lines and call-handling features. These can be increased up to 57 by adding the optional add-on key modules to the phone.