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5.4 What is This Tone?
210 Appendix
During a conversation
When setting the features programming
Ringback Tone
Do Not Disturb Tone
The dialled extension is
denying incoming calls.
Indication Tones
Tone 1
Call waiting tone (default)
Tone 2
Call waiting tone from outside
Tone 3
Call waiting tone from another
extension
Tone 4
A call is held for more than a
specified time (default: 60
seconds)
Tone 5
Call hold tone
Confirmation Tones
1 s
1 s
15 s
5 s
5 s
15 s
1 s