Panasonic KX-TEB308 - Manual (Page 143)

4.3 Identifying Tones
User Manual 143
When Making Calls
Busy Tones
[New Zealand only]
[Czech Republic only]
Reorder Tones
The outside (CO) line you tried
to seize is not assigned or was
denied.
[Czech Republic only]
[Malaysia only]
Ringback Tones
Single (3-s interval)
Double (3-s interval)
Single (5-s interval)
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s
1 s