Section 700 - Operation Chapter 5. Key Telephone Features
576-13-700 DBS 576 (USA), Revised 6/11/98 193
To seize an idle trunk:
Hardware Requirements
•N/A
Related Programming
• FF1-3: MCO Access
• FF1-2: Dial Plan
• FF5-2: MCO Trunk Group (Outbound)
• FF7: ARS/TRS
Considerations
• The System supports up to 576 outside lines in a six-cabinet configuration. These lines can be
divided into 99 different trunk groups.
• Each trunk group can support up to 50 outside lines.
• Each MCO Tenant Group can have up to 5 MCO trunk access codes. System defaults for MCO
trunk access codes are displayed in the following table.
• MCO1 can have up to 5 trunk groups assigned by the Advanced Trunk Group feature.
• MCO1 access code is used for Automatic Route Selection (ARS) access code.
Table 14. MCO Trunk Access Codes
Action Result
1. Lift the handset or press the
ON/OFF
key. Intercom dial tone
2. Enter the trunk access number (
9
or
81
-
84
). (See Table 14.) • Outside dial tone
•
CO XXX
displays (where XXX = trunk
number)
3. Dial the phone number. Dialed phone number displays
MCO Group Trunk Access Code
MCO1 9
MCO2 81
MCO3 82
MCO4 83
MCO5 84
