Panasonic KX-NS1000 User Manual page 61

Denying Other People the Possibility of Picking Up Your Calls (Call
Pickup Deny)
You can deny or allow other people to pick up your calls.
PT/SLT/PS/SIP Extn./S-PS
Off-hook.
1.3.3 Answering a Call Ringing at Another Telephone (Call Pickup)
7 2 0
Enter 720.
1
Deny
OR
C.Tone
0
Allow
Enter 1 to deny
or 0 to allow.
On-hook.
User Manual 61