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1.5 Making Call Features
Feature Guide 51
1.5.3.3 Outside (CO) Line Access
Description
There are 3 methods of accessing an outside (CO) line.
Line Access Using the Other-CO (O-CO) Button
To select an idle outside (CO) line from among the outside (CO) lines that are not assigned to S-CO or G-
CO buttons, the proprietary telephone (PT) user can press the O-CO button.
Conditions
• The PBX waits for a preprogrammed length of time ( Dialling Start Time [206]) after seizing an
outside (CO) line before dialling.
• Button Assignment
A flexible CO button can be customised as an S-CO, G-CO, or O-CO button as follows:
The same outside (CO) line group can be assigned to more than one G-CO button on the same PT.
The same outside (CO) line can be assigned to an S-CO button and a G-CO button.
Dialling the Outside (CO) Line Access number selects a CO button according to the following priority:
S-CO G-CO O-CO
Once a flexible CO button is assigned as an Outside (CO) Line Access button, it indicates line status
with a variety of light patterns ( 1.18.3 LED Indication).
• Direct Outside (CO) Line Access
If a PT user is on-hook when pressing an idle CO button, the PT automatically enables hands-free
Method Description Operation
Automatic Line Access
(Local Access)
Selects an idle outside (CO) line
automatically from the assigned
outside (CO) lines ( Automatic
Designated Line Access [419]).
If Idle Line Preference ( 1.5.3.2
Line Preference—Outgoing) is set on
the extension through personal
programming, the user can access an
idle line simply by going off-hook.
Dial the Automatic Line Access
number (9/0)
*
( Automatic Line
Access [121]).
Note
*
For New Zealand, the
Automatic Line Access
number may be either 1 or 9.
Outside (CO) Line Group
Access
Selects an idle outside (CO) line from
the corresponding outside (CO) line
group.
Dial the Outside (CO) Line Group
Access number and an outside
(CO) line group number, or press a
Group-CO (G-CO) button.
S-CO Line Access Selects the desired outside (CO) line
directly.
Press the Single-CO (S-CO)
button.
Type Assignable parameter
Single-CO (S-CO) A specified outside (CO) line is assigned (Default: CO 1–CO 3).
Group-CO (G-CO) An outside (CO) line group is assigned ( CO Line Group Number
[404]).
Other-CO (O-CO) Outside (CO) lines that are not assigned to S-CO or G-CO buttons
are assigned.