Panasonic KX-TD500 System Reference Manual page 506

Operation
Setting Call Forwarding-Busy/Off-Hook
1. Lift the handset or press
the SP-PHONE button.
2. Press the FWD/DND button, then
dial "3".
Or, dial the feature number for
"Call Forwarding-Busy Set"
(Default : **3).
3. Dial the directory number of the
extension or the Voice Mail ports,
or "FDN for General Operator
Call" to be set as the destination.
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
• If your PITS has a display, it
shows:
When setting an extension as
the destination:
FWD (BSY) Ext xxxx
When setting operators as the
destination:
If an operator is Attendant
Console
FWD (BSY) ATT
If an operator is extension
FWD (BSY) Ext xxxx
4. Replace the handset or press the
SP-PHONE button.
• The indicator on the FWD/DND
button starts flashing.
Directory number:
three or four digits
Directory number:
three or four digits
4-F-14
Canceling Call Forwarding-Busy/Off-Hook
1. Lift the handset or press
the SP-PHONE button.
• The indicator light flashing on
the FWD/DND button goes out.
2. Press the FWD/DND button, then
dial "0".
Or, dial the feature number for
"Call Forwarding/Do Not Disturb
Cancel" (Default : ##0).
• You hear confirmation tone 1 or
2 and then dial tone 1, 3, or 4.
• If your PITS has a display, it
shows:
FWD/DND Cancel
3. Replace the handset or press the
SP-PHONE button.