Panasonic KX-T336 System Reference Manual page 507

The following table shows the results of the calls arriving at an extension setting
this function depending on the conditions of the preset destination.
Type of Call Arriving
at Setting Extension
Extension call
DIL (1:1) or DISA call
DID call
Condition of Destination
Idle status
Busy status
Assigned to DND
PITS programming mode
Conditions except In Service
Idle status
Busy status
Assigned to DND
PITS programming mode
Conditions except In Service
Idle status
Busy status
Assigned to DND
PITS programming mode
Conditions except In Service
Forwarding
Execution
Call is forwarded to destination.
Busy tone is sent from destination.
DND tone is sent from destination.
Busy tone is sent from destination.
Call is placed on setting extension.
Call is forwarded to destination.
Call is forwarded and kept waiting
at destination.
Same as call reaching DND. See
Section 4-D-6.00 "Do Not Disturb
(DND)."
Call is forwarded and kept waiting
at destination.
Call is placed on setting extension.
Call is forwarded to destination.
Busy tone is sent from destination
Same as call reaching DND. See
Section 4-D-6.00 "Do Not Disturb
(DND)."
Busy tone is sent from destination
Call is placed on destination.
: Forwarding possible
: Forwarding impossible
Conditions are "Out of Service,"
"Fault" and "Pre-Installed." See
Section 14-C-2.02 "Port" for details.
4-F-7
Result