Panasonic KX-TDA100 Programming Manual page 680

6.10 [4-2-1] Portable Station—Extension Settings
FWD No Answer Time
Indicates the length of time that an incoming call rings at the PS before the call is forwarded (reference only).
Value Range
0–120 s
Maintenance Console Location
6.10 [4-2-1] Portable Station—Extension Settings
Programming Manual References
6.12 [4-2-2] Portable Station—FWD/DND
Feature Guide References
1.3.1.2 Call Forwarding (FWD)
680 PC Programming Manual