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M 3900 description Page 129 of 504
Telephones and Consoles Description, Installation, and Operation
• five programmable features
• fixed feature keys: Line, Feature, Hold, Goodbye, and Volume control
• feature activation and Message waiting/incoming call status indicator
LED
• support for an amplified headset
M3902 Basic Telephone
The features of the M3902 include:
• one line Directory Number (DN) capability
• three programmable soft keys (soft-labeled)
• fixed feature keys: Options, Message, Transfer, Goodbye, Hold, “Smart”
Mute, and Volume control
• two lines by twenty-four character display area
• Group Listening
Figure 25
M3901 Entry Telephone
Feature card
Message and call
status indicator
Feature activation indicator
Goodbye
Hold
Volume bar
Feature
Line
553-AAA0660