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194 DBS 576 (USA), Revised 6/11/98 576-13-700
Chapter 5. Key Telephone Features Section 700 - Operation
Trunk Queuing
CPC-96, CPC-288, and CPC-576 All Versions
Description
When you try to originate a call by MCO (enter
9
) and all outside lines in a trunk group are busy, the
System can call you when a line becomes free. Simply pick up the handset and dial the telephone
number when the Trunk Callback alert tone rings.
Operation
To set Trunk Queuing:
To respond to the Trunk Callback alert tone:
Hardware Requirements
•N/A
Related Programming
• FF1-2: Dial Plan
• FF1-0-03: Extension COS (Trunk Queuing)
• FF3: Extension COS
Considerations
• Response to the Trunk Callback must be within 15 seconds or Trunk Queuing will be canceled.
• The Trunk Queuing feature may also be used if you hear a busy tone when trying to make a call
using the MCO Trunk Access feature.
Action Result
1. Lift the handset or press the
ON/OFF
key. Intercom dial tone
2. Press the CO line key or enter a trunk access code. Busy tone
3. Enter the Callback Request code (default =
3
.)
4. Press the
ON/OFF
key.
Wait CBK-TRK
displays
5. Wait for the Trunk Callback alert tone.
Action Result
1. Lift the handset or press the
ON/OFF
key. • Outside dial tone
•
CO XXX
displays (where XXX = line
number