Section 700 - Operation Chapter 5. Key Telephone Features
576-50-700 DBS 576 (USA) issued September 2001 5-43
Do-Not-Disturb
Description
You can make an extension unavailable by activating the Do-Not-Disturb (DND) feature. When DND
is activated, calls to that extension receive busy tone.
You can set or cancel DND from either your extension or from an alternate extension.
Operation
To set DND for your own extension:
To cancel DND for your own extension:
To set DND for another extension:
To cancel DND for another extension:
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Enter the DND Set/Cancel code (default = 720). DND Accepted
3. Replace the handset or press the ON/OFF
key.
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Enter the DND Set/Cancel code (default = 720). • DND/CD LED light goes off
• DND Cleared displays
3. Replace the handset or press the ON/OFF
key.
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Enter the DND Set by Other Phone code (default = 740). Enter DND EXT # displays
3. Dial the extension number. DND Set displays on affected extension
4. Replace the handset or press the ON/OFF key.
Action Result
1. Lift the handset or press the ON/OFF key. Intercom dial tone
2. Enter the DND Cancel by Other Phone code (default = 750). Enter DND EXT # displays
3. Dial the extension number. DND Cleared displays
4. Replace the handset or press the ON/OFF
key.
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