Panasonic KX-NS1000 Operating Manual page 40

1.2.4 When the Dialled Line is Busy or There is No Answer
PT/SLT/PS
While hearing a busy tone
6
C.Tone
Enter 6.
To answer while hearing a callback ringing
PT/SLT/PS
Off-hook.
To cancel (CCBS Cancel)
PT/SLT/PS
Off-hook.
•
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
While hearing a busy tone
1
Enter 1.
40 Operating Manual
On-hook.
4 6
C.Tone
Enter 46. On-hook.