Panasonic KX-TDA15 User Manual page 214

4.3 What is This Tone?
Reorder Tone
The outside line you tried to seize
is not assigned or denied.
Ringback Tones
Tone 1
Tone 2
Do Not Disturb (DND) Tone
The dialled extension is refusing
incoming calls.
While off-hook
Indication Tones
Tone 1
Call waiting tone
Tone 2
A call is on hold longer than the
specified time
When talking to an outside party
Warning Tone
This tone is sent 15, 10 and 5
seconds before the specified time
for disconnection.
When setting the features or programming
Confirmation Tones
Tone 1
The feature setting was set
successfully.
Tone 2
Before receiving a page through
an external speaker
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