M 3900 description Page 161 of 504
Telephones and Consoles Description, Installation, and Operation
M3902 key descriptions
Table 25 gives a description of the keys on the M3902. Figure 32 on page 162
shows the physical placement of the keys on the M3902.
Table 25
M3902 key description
Key Description
Key 0 You must configure Key 0 as the Directory Number line.
Note: The system administrator can configure Key 0 as a Voice Call (VCC),
HotLine (HOT) Key, Single Call Non-ringing (SCN), Multiple Call Ringing
(MCR), Multiple Call Non-ringing (MCN), Private Line Ringing (PLR), or
Private Line Non-ringing (PLN).
Key 1 Feature or Auto Dial
Key 2 Feature or Auto Dial
Key 3 Feature or Auto Dial
Key 4 Call Transfer (default) or 3 Party Conference or 6 Party Conference
Key 5 Message Waiting
Note: The M3902 is a single-line set. Only one line can be configured, and this must be on
Key 0. Do not configure Keys 1–5 as:
• Multiple Call Non-ringing
• Multiple Call Ringing
• Private Line Non-ringing
• Private Line Ringing
• Single Call Non-ringing
• Single Call Ringing
Configuring Keys 1–5 as anything other than the allowed features will cause an error message.