Panasonic KX-TD500 Features Manual page 144

General Features
(3) What if all extensions in a UCD Group are busy or logged out?
(including transferred calls)
Time Table is programmed.
Time Table procedure
144
Outside calls
Waiting Queue
Time Table is not programmed.
Outside Call
Intercept Destination
is not programmed.
Waiting Queue
All Busy
(including transferred calls)
Waiting Queue
Intercept Destination
is programmed.
(Intercept Time)
Intercept Destination
Intercom calls
Transferred calls
(Transfer Recall Time)
Transfer Recall starts on
the extension who
originally transferred it.
Features Guide