Panasonic KX-NS300 User Manual page 385

When you make calls
Busy Tone
Reorder Tone
The outside line you tried to seize is
not assigned or denied.
Ringback Tones
Tone 1
Tone 2
(Not available for KX-UT series SIP
phones and S-PSs)
Do Not Disturb (DND) Tone
(Not available for KX-UT series SIP
phones and S-PSs)
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.
For KX-UT series SIP phones and
S-PSs, this tone is sent only once 15
seconds before the specified time for
disconnection.
1 s
1 s
1 s
1 s
1 s
1 s
5.4.1 What is This Tone?
15 s
15 s
User Manual 385