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2.2.4
When the Dialled Line is Busy or There is No Answer
— Reserving a busy line
— Sending a call waiting tone
Reserving a busy line (Automatic Callback Busy)
You can set the telephone to receive callback ringing when a dialled line becomes idle.
When you answer the callback ringing:
For an outside call: The line is seized.
For an intercom call: The called extension starts ringing automatically.
PT / SLT
While hearing a busy tone
C.BCK
OR
6
Press "C.BCK" or dial 6.
To answer and call
PT / SLT
Outside call
Off-hook.
•
If you do not answer the recall ringing within 10 seconds (four callback rings), this feature
will be cancelled.
Operation
C.Tone
On-hook.
phone no.
D.Tone
Enter phone number.
— Leaving a message waiting indication
— Joining an existing call
Intercom call
Off-hook.
2.2 Making Calls
35
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