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Features 3-13
3 Features B
Button, Single-CO (S-CO)
Description A Single-CO (S-CO) button is an outside (CO) line access button.
This allows a proprietary telephone user to access a specific line by
pressing a S-CO button. An incoming call can be directed to a
S-CO button.
Conditions • The default setting for CO buttons is changeable. (Flexible CO Button)
• A S-CO button provides outside (CO) line status.
• One outside (CO) line can be assigned to both a S-CO and a Group-CO
(G-CO) button.
• Incoming calls are indicated on a proprietary telephone, when an
extension is assigned as the incoming call destination and a S-CO,
G-CO and/or O-CO button is assigned.
• Immediate, delayed, no ringing or no incoming call (disable) can be
selected on an extension–outside (CO) line basis.
• Users can choose a desired ringing pattern for each outside (CO) line by
system programming.
Programming References
Section 4, System Programming
[400] Outside (CO) Line Connection Assignment
[404] Outside (CO) Line Group Assignment
[405]–[407] Flexible Outward Dialing Assignment — Day/Night/Lunch
[408]–[410] Flexible Ringing Assignment — Day/Night/Lunch
[411]–[413] Delayed Ringing Assignment — Day/Night/Lunch
[423] Outside (CO) Line Ringing Pattern Selection
Station Programming RRRRRRRRRR User Manual
Flexible Button Assignment – Single-CO (S-CO) Button
Feature References Section 3, Features
Answering, Direct Outside (CO) Line Line Access, Individual
LED Indication, Outside (CO) Line Ringing, Delayed
Line Access, Direct Ringing Pattern Selection for
Intercom Calls and Outside
(CO) Lines
Operation References Basic Operations
— User Manual Making Calls
Receiving Calls
Telephone Features
Outward Dialing – Line Access, Individual