Panasonic KX-NS700 Operating Manual page 183

Features
Directed Group Call Pickup
Data Line Security
•
* For KX-UT670 users:
Tap "Feature access code" instead of pressing Up or Down.
Document Version 2014-11
You can pick up a call ringing at another extension within a call pickup group.
(® 1.3.9 Call Pickup)
You can protect the line against audible notification tones, such as a call
waiting tone during a conversation.
(® 1.3.18 Data Line Security)
1.4.4 System Feature Access
Refer to
Operating Manual 183