Panasonic KX-NS1000, Operating Manual, Page: 39 / 366

To answer the callback ringing from an idle extension
Off-hook.
PT/SLT/PS
Talk.
While hearing a callback ringing
R.B.Tone
To answer the callback ringing from an idle outside line
Off-hook.
PT/SLT/PS
Talk.
Dial outside phone
number .
outside
phone no.
While hearing a callback ringing
•
If you do not answer the callback ringing within 10 seconds, this feature will be cancelled.
To cancel callback ringing (Automatic Callback Busy Cancel)
Off-hook.
PT/SLT/PS
On-hook.
4 6
Enter 46 .
C.Tone
Setting Callback on an ISDN Line (Completion of Calls to Busy Subscriber
[CCBS])
You can set the telephone to receive callback ringing when a busy called party on an ISDN line becomes
free.
When you answer the callback ringing, the called party’s telephone number is automatically dialled.
1.2.4 When the Dialled Line is Busy or There is No Answer
Operating Manual 39