PT/SLT/PS
On-hook.
While hearing a busy tone
Enter 6.
6
C.Tone
To answer while hearing a callback ringing
To cancel (CCBS Cancel)
Off-hook.
PT/SLT/PS
On-hook.
4 6
Enter 46.
C.Tone
• If you do not answer within a specified time period, this feature will be cancelled.
• Availability of this feature depends on the ISDN service of your telephone company.
Sending a Call Waiting Notification (Call Waiting)
You can inform the called party that your call is waiting.
This feature is also known as Busy Station Signalling (BSS).
PT/SLT/PS
Enter 1.
While hearing a busy tone
1
1.2.4 When the Dialled Line is Busy or There is No Answer
40 Operating Manual
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