178 DBS 576 (USA), issued January 1999 576-20-700Chapter 5. Key Telephone Features Section 700 - OperationRelated Programming• FF4: Key AssignmentConsiderations• N/AMulti-CO (MCO) AppearancesCPC-96, CPC-288, and CPC-576 All VersionsDescriptionYou can make and receive CO line calls using a Multi-CO (MCO) key. Each extension can have up to5 MCO keys.An MCO key can be assigned to any of the pooled trunk groups. Pressing the MCO key is the same asdialing the MCO Access Code (usually 9, 81-84).OperationRelated Programming• FF1-0-02: ARS for MCO Access Code 1/Route Advance for MCO Access Code• FF1-3: MCO Group• FF5-2: MCO Outgoing Trunk Assignments• FF5-3: MCO Incoming Trunk Assignments• FF4: FF Key AssignmentsOperation ActionTo originate a trunk call 1. Press an idle MCO key.The key blinks (green) as the call is made.To receive a call on an MCO key. 1. If ringing line preference is enabled, go off-hook.If ringing line preference is not enabled, gooff-hook and press the MCO key with thegreen flashing LED.The LED lights solid green.To place a call on Exclusive Trunk Hold 1. Press the MCO key.The key flashes green while the call is held.To place a call on System Trunk Hold 1. Press the HOLD key.The key flashes green while the call is held.To transfer a call 1. Press the HOLD key.2. Dial the destination extension.3. Press the PROG key (if on-hook transfer isoff) or go on-hook.
