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Appendix
280 User Manual
While off-hooking [BX], [NZ], [RU], [AG], [SA]
During a call between two external parties [BX], [NZ], [RU], [AG], [SA]
Ringback Tone 1
Ringback Tone 2
Do Not Disturb [DND]
Tone
The dialled extension is
denying incoming calls.
Call Waiting Tone 1
(outside / intercom)
Call waiting tone from another
extension / outside line
Call Waiting Tone 2
(outside)
Call waiting tone from an
outside line
Call Waiting Tone 2
(intercom)
Call waiting tone from another
extension
Hold Alarm Tone
A call is held for more than a
specified time (default: 60
seconds).
Warning Tone
This tone is sent to both
parties 15, 10 and 5 seconds
before the time limit.
1 s
1 s
1 s
15 s
5 s
5 s
15 s
1 s