Panasonic KX-NCP500 Programming Manual page 710

6.1 [4-1-1] Wired Extension—Extension Settings
Keep ring after FWD NA to CO
Specifies whether an extension continues to ring after forwarding an incoming call to an outside destination
via FWD N/A or FWD Busy N/A.
Value Range
Disable, Enable
Maintenance Console Location
6.1 [4-1-1] Wired Extension—Extension Settings
Programming Manual References
6.3 [4-1-2] Wired Extension—FWD/DND
Feature Guide References
1.3.1.2 Call Forwarding (FWD)
710 PC Programming Manual