Panasonic KX-NCP500 Operating Manual page 218

4.3.1 Tone
Tone 4
When going off-hook
Dial Tones
Tone 1
Normal
Tone 2
•
When there are messages that
have previously been listened to
and no new messages recorded
by the SVM feature
•
When any of the following
features are set:
•
Absent Message
•
Background Music
•
Call Forwarding
•
Call Pickup Deny
•
Call Waiting
•
Do Not Disturb
•
Extension Dial Lock
•
Executive Busy Override
Deny
•
Hot Line
•
Timed Reminder
Tone 3
•
After pressing TRANSFER or
Recall/hookswitch to hold a call
temporarily (e.g., Call Splitting)
•
When the recording space of the
Simplified Voice Message
feature becomes almost full
•
While a called PS is being
searched
•
When Account Code Entry is
performed
•
When answering a Timed
Reminder call with no message
•
When answering an external
sensor call
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Document Version 2010-08