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Tone 3
•
Before the following features
activate:
–
Retrieving a held call
–
Picking up another call
–
Paging/Answering a paging
announcement
–
Answering the call through a
speaker
•
You establish a call with an
extension in the following cases:
–
The called extension has
hands-free Answerback
enabled.
–
Voice-calling mode
•
When making a call to or from a
doorphone.
Tone 4
Establishing or leaving a
conference
Tone 5
A call has been put on hold.
1 s
1 s
1 s
5.4.1 What is This Tone?
Operating Manual
313
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