3
Features
B
Features
3-21
B
utton, Single-CO (S-CO)
Description
A Single-CO (S-CO) button is an outside line access button. This
allows the proprietary telephone (PT) user to access a specific line
by pressing a S-CO button. An incoming call can be directed to an
S-CO button.
Conditions
• The default setting for CO buttons is changeable. (Flexible CO Button)
• An S-CO button provides outside line status.
• It is possible to assign one outside line to a S-CO button.
• If Automatic Route Selection (ARS) is set, it is overridden by an
outgoing call made by pressing the S-CO button.
• Incoming calls appear on the proprietary telephone, when an extension
is assigned as the incoming call destination and a S-CO and/or Loop-
CO (L-CO) button is assigned.
• Immediate, delayed, no ringing or no incoming call (disable) can be
selected on an extension–outside line basis.
• The digital PT user can choose a desired ringing tone type for the S-CO
button by System or Station Programming.
Programming References
Section 4, System Programming
[005] Flexible CO Button Assignment
[400] Outside Line Connection Assignment
[603]–[604] DIL 1:N Extension and Delayed Ringing — Day / Night
[605]–[606] Outgoing Permitted Outside Line Assignment — Day / Night
Station Programming.......................................................User Manual
Flexible Button Assignment – Single-CO (S-CO) Button
Ringing Tone Selection for CO Buttons
Feature References
Section 3, Features
Answering, Direct Outside Line
Line Access, Individual
LED Indication, Outside Line
Ringing, Delayed
Line Access, Direct
Ringing Tone Selection for CO
Buttons
Operation References
Basic Operation
—User Manual
Making Calls
Receiving Calls
DPT Features
Outward Dialing – Line Access, Individual
