Type Description
PDN (KX-TDA100/KX-TDA200/
KX-TDA600 only)
Answers a call arriving at a Primary Directory Number (PDN)
button simply by going off-hook. This works even when multiple
calls are received simultaneously.
(® 13.1.7 PDN (Primary Directory Number)/SDN (Secondary
Directory Number) Extension)
Prime Line Answers a call arriving at a CO button (on which the "Prime Line"
is assigned) simply by going off-hook. This works even when
multiple calls are received simultaneously.
Ringing Line (default) Answers the longest ringing call when multiple calls arrive at
one’s own telephone simply by going off-hook.
Conditions

[Prime Line]

•The priority of the incoming call is as follows:
1. The call arriving at a button on which the "Prime Line" is assigned.
2. The call arriving at the INTERCOM button.
PC Programming Manual References
6.1 [4-1-1] Wired Extension—Extension Settings—Option 4— Incoming Preferred Line
6.10 [4-2-1] Portable Station—Extension Settings—Option 4— Incoming Preferred Line
Operating Manual References
3.1.2 Personal Programming
10.1.3 Line Preference—Outgoing
Description
Through personal programming, a proprietary telephone (PT) user can select the preferred method of seizing
a line (Preferred Line Assignment—Outgoing) that is used each time the user goes off-hook.
Method Description
ICM/PDN When an extension user goes off-hook, an extension line is selected
automatically. If the extension is a PDN extension, the first available
Primary Directory number (PDN) button is selected automatically.
(® 13.1.7 PDN (Primary Directory Number)/SDN (Secondary Directory
Number) Extension)
Idle Line When an extension user goes off-hook, an idle CO line is selected
automatically from the assigned trunk groups.
No Line When an extension user goes off-hook, no line is selected. In order to
make a call, the user must select the desired line manually.
Document Version 2008-11 Feature Manual 179
10.1.3 Line Preference—Outgoing