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2.5.5 Seizing a Line Features
Method
Idle Line Access
(Local Access)
Trunk Group Access
S-CO Line Access
Conditions
•
COS programming determines the trunk groups available for making calls.
•
Trunk numbers can be referred on a trunk port basis.
•
Button Assignment
A flexible button can be customised as a G-CO, L-CO, or S-CO button as follows:
Type
Loop-CO (L-CO)
Group-CO (G-CO)
Single-CO (S-CO)
It is possible to assign:
–
the same trunk to the S-CO button and to a G-CO button.
–
the same trunk group to more than one G-CO button.
–
more than one L-CO button.
Dialling the Trunk Access number selects a CO button in the following order: S-CO → G-CO → L-CO
•
Direct Trunk Access
–
Pressing an idle CO button automatically switches on the hands-free operation mode and allows a user
to use On-hook Dialling. The user need not press the SP-PHONE button, MONITOR button, or lift the
handset.
–
When a user of a UT-series SIP extension uses an S-CO button to seize a trunk and then initiates a
call, the outgoing call may be disrupted by an incoming call. In this case, the user hears a reorder tone.
•
Group Hunting Order for Idle Line Access
An idle trunk is selected from the trunk groups assigned for Idle Line Access. If multiple trunk groups are
available, the trunk group hunting sequence can be determined through system programming.
•
Trunk Hunting Order for Idle Line Access and Trunk Group Access
The trunk hunting sequence in a trunk group (from lowest numbered trunk, from highest numbered trunk
or rotation) can be determined through system programming.
•
A company name or customer name can be assigned on a trunk port basis so that the operator or
extension user can view the destination that the external caller is trying to reach before answering. This is
useful, for example, when multiple companies share the same operator.
•
It is possible to identify the trunk ports that have trunks connected. This prevents extension users from
originating a call to a trunk that is not connected.
94
Feature Manual
Description
Selects an idle trunk
automatically from the assigned
trunk groups.
Selects an idle trunk from the
corresponding trunk group.
Selects the desired trunk
directly.
No parameter (all assigned trunk groups through system
programming are applied.)
A specified trunk group.
A specified trunk.
Accessing method
Dial the Idle Line Access number, or
press a L-CO button.
Dial the Trunk Group Access
number and a trunk group number,
or press a G-CO button.
Dial the S-CO Line Access number
and the trunk number, or press the
S-CO button.
Parameter
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