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Chapter 5. Key Telephone Features
Callback Request
Description
If you dial a busy extension, Callback Request enables the System to call you back when that
extension becomes free. When you answer, the System automatically rings the called party again.
Operation
To set a Callback Request:
1. Lift the handset or press the ON/OFF key.
2. Dial the extension number.
3. Enter the Callback Request code (default = 3).
4. Replace the handset after you hear the ringback tone.
To respond to a Callback Request:
1. Lift the handset.
To cancel a Callback Request:
1. Lift the handset or press the ON/OFF key.
2. Dial the Callback cancellation code (default = 769).
3. Replace the handset .
Hardware Requirements
•
N/A
Considerations
•
N/A
128
Action
Action
Action
S-ICX (International) issued April 2002
Section 700 - Operation
Result
Intercom dial tone
• Dialled extension number displays
• Busy tone
Ringback tone
System calls back when called extension
becomes free
Result
System automatically redials extension
Result
Intercom dial tone
S-ICX-64-700
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