General Features
172 Features Guide
Line Preference—Outgoing (Idle Line/No Line/Prime
Line)
Description
A PT user can select a desired outgoing line preference to originate calls from the following
three line preferences:
a) Idle Line Preference
When an extension user goes off-hook to make a call, an idle line is automatically
selected from the pre-assigned lines.
b) No Line Preference
No line is selected when an extension user goes off-hook to make a call. He must select
an appropriate Line Access button to make a call.
c) Prime Line Preference (default)
When an extension user goes off-hook to make a call, a pre-programmed prime line is
selected automatically. A Prime Line can be selected from the following line access
buttons.
<ICM type PT>
ICM, S-CO, G-CO, L-CO
<DN type PT>
PDN, SDN, S-CO, G-CO, L-CO
Conditions
• This feature is available when there is no incoming call on the extension or when the
extension has set "No Line Preference for incoming calls," that is, "Line Preference-
Incoming" overrides "Line Preference-Outgoing."
• Setting a new line preference feature cancels the previous setting.
• The CO lines available for extension users must be assigned by System Programming.
• Line Preference Override
The extension user can override the Idle/Prime Line Preference temporarily by pressing the
desired line access button (INTERCOM, CO or DN [PDN/SDN]) before going off-hook;
or if Full One-Touch Dialing is enabled, press One-Touch Dialing, DSS, REDIAL, or
SAVE button.
Programming Guide References
• 4.3 Extension Line
–COKey
– [Preferred Line] Outgoing
Features Guide References
1.6 Originating Features
• Trunk Connection Assignment—Outgoing
