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3-12 Features
B 3 Features
Button, Other-CO (O-CO)
Description Outside (CO) lines, which are not assigned to a S-CO or G-CO
button, can be assigned to a flexible CO button on a proprietary
telephone (PT). The assigned button serves as the Other-CO
(O-CO) button. An incoming call on an outside (CO) line arrives at
the O-CO. To make an outside call, the PT user simply presses the
assigned O-CO button.
Conditions • An O-CO button is not originally provided on a PT. A flexible CO
button can be assigned as an O-CO button by station programming.
• 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 – Other-CO (O-CO) Button
Feature References Section 3, Features
Answering, Direct Outside (CO) Line Line Access, Direct
LED Indication, Outside (CO) Line Ringing, Delayed
Line Access, Automatic 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, Automatic