Table of Contents
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B
Feature References
Operation References
—User Manual
B
utton, Loop-CO (L-CO)
Description
Conditions
Programming References
Feature References
3-18
Features
Section 3, Features,
Answering, Direct CO
CO Line Group
LED Indication, CO Line
Line Access, CO Line Group
DPT Features,
Answering, Direct CO Line
Outward Dialing – Line Access, CO Line Group
All CO lines can be assigned to a flexible CO button on a digital
proprietary telephone (DPT). The assigned button serves as a Loop-
CO (L-CO) button. An incoming call on any CO line arrives at the
L-CO, unless there are S-CO or G-CO buttons associated with the
line or unless the button is already in use. To make an outside call,
the DPT user can simply press the dedicated L-CO button.
• No L-CO button is originally provided on a DPT. A flexible CO
button can be assigned as an L-CO button in either system or station
programming.
• It is possible to assign more than one L-CO button on a DPT.
• Pressing the L-CO button provides the same operation as dialing the
automatic line access code. This results in Automatic Line Access or
Automatic Route Selection (ARS), if programmed.
• Immediate, delayed, no ringing or no incoming call (disable) can be
selected on an extension–CO line group basis.
• The DPT user can choose a desired ringer frequency for each L-CO
button by system or station programming.
Section 4, System Programming,
[005] Flexible CO Button Assignment
[400] CO Line Connection Assignment
[603]–[604] DIL 1:N Extension and Delayed Ringing — Day / Night
[605]–[606] Outgoing Permitted CO Line Assignment — Day / Night
Station Programming.......................................................User Manual,
Flexible Button Assignment – Loop-CO (L-CO) Button
Ringing Tone Selection for CO Buttons
Section 3, Features,
Answering, Direct CO Line
LED Indication, CO Line
3
Features
Line Access, Direct
Ringing, Delayed
Ringing Tone Selection for CO
Buttons
Line Access, Direct
Ringing, Delayed
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