PT Overview

User Manual References

2.2.2Flexible Button Assignment

4.3.60Outward Dialing, Line Access — SUMMARY

Group-CO (G-CO) button

To support efficient utilization of outside lines, a group of outside lines (outside line group) can be assigned to a CO button. This button is referred to as Group-CO (G-CO) button. Any incoming calls from any outside line in the same trunk group arrive at the G-CO button. To make an outside call, you can access an idle outside line in the trunk group by simply pressing the assigned G-CO button.

Conditions

It is possible to assign the same outside line to an S-CO button, a G-CO button, and an L- CO button.

It is necessary to program the extension for making and/or receiving calls in outside line groups.

When your extension is assigned as an incoming call destination for an outside line, you cannot receive any incoming outside calls unless a G-CO, L-CO or S-CO button associated with the outside line is assigned.

User Manual References

2.2.2Flexible Button Assignment

4.3.60Outward Dialing, Line Access — SUMMARY

Loop-CO (L-CO) button

All outside lines can be assigned to a flexible CO button on a proprietary telephone. The assigned button serves as an L-CO button. An incoming call on any outside line arrives at the L-CO button, unless there are S-CO or G-CO buttons associated with the line or unless the button is already in use. To make a outside call, you simply press the dedicated L-CO button. Pressing the L-CO button provides the same operation as dialing an automatic line access code.

User Manual References

2.2.2Flexible Button Assignment

4.3.60Outward Dialing, Line Access — SUMMARY

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User Manual

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Panasonic KX-TA1232 user manual Group-CO G-CO button, Loop-CO L-CO button