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Chapter 5. Key Telephone Features
Related Programming
•
FF1-0-03: Extension COS (Direct Trunk Access)
•
FF3: Extension COS
Considerations
•
N/A
MCO Line Preference
MCO Line Preference allows you to place an outside call by simply picking up the handset. When you
go offhook, the MCO 1 trunk group is automatically accessed.
Operation
To place a call using MCO Line Preference:
1. Lift the handset.
2. Dial the phone number.
Hardware Requirements
•
N/A
Related Programming
•
FF1: MCO Trunk Access
•
FF3: MCO
•
FF5-2: MCO Trunk Groups (Outbound)
Considerations
•
You can press the ON/OFF key to get intercom dial tone.
MCO Trunk Access
The System supports up to 5 MCO groups for each MCO tenant group. You can seize an idle trunk
from the MCO trunk group by entering the MCO access code.
Operation
192
Action
DBS 576 (USA), Revised 6/11/98
Section 700 - Operation
Result
• Outside dial tone
• CO XXX displays (where XXX = trunk
number)
Dialed phone number displays
576-13-700
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