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Appendix
5.4 What is This Tone?
5.4.1 What is This Tone?
While on-hook
Ring Tones
Tone 1
•
Incoming call from an
external party
•
An outside call is held for
more than a specified time
(default: 60 seconds).
Tone 2
•
Incoming call from an
extention
•
An intercom call is held for
more than a specified time
(default: 60 seconds).
Tone 3
•
Incoming call from a
doorphone
•
The pre-set alarm time has
arrived.
Tone 4
•
A reserved outside line or
extension became idle.
•
A caller is leaving a
message in your mailbox
(Live Call Screening —
Private mode).
Tone 5
•
Message Waiting tone for
Single Line Telephone
(SLT).
When going off-hook
Dial Tones
Tone 1
Normal
240
1 s
1 s
1 s
1 s
5 s
1 s
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