Panasonic KX-TD816NZ - Manual (Page 50)

2.3 Receiving Calls
50
Operation
• If you receive a call waiting tone, you can ask a third party to pick up your second call
with Directed Call Pickup.
• "Group Call Pickup" is not available for an ISDN telephone user.
• You can also deny other people the possibility of picking up your calls. Refer to 2.7 Setting
the Telephone According to Your Needs.