Section 700 - Operation
Chapter 7. SLT Features
S-ICX-50-700
S-ICX (International) issued October 2000
307
Trunk Queuing
Description
When you try to originate a call by MCO (enter
9
[UK/HK] or
0
[Taiwan, Malaysia, Indonesia]) 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 cancelled.
•
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.
Intercom dial tone
2. Enter trunk access code.
Busy tone
3. Enter the Callback Request code (default =
3
[UK/HK] or
3#
[Taiwan, Malaysia, Indonesia]).
4. Replace the handset.
5. Wait for the Trunk Callback alert tone.
Action
Result
1. Lift the handset.
Outside dial tone
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