Section 700 - Operation Chapter 5. DSLT Features
DBS-2.3/9.2-700 DBS Manual - Revised April 2000 5-25
Do-Not-Disturb (DND)
(All Versions)
Description
An extension can be made unavailable by activating Do-Not-Disturb (DND).
Calls to extensions with DND activated receive busy tone.
Operation
To activate DND:
1. Lift the handset or press ON/OFF.
2. Dial “73.”
3. Replace the handset or press the ON/OFF key.
To cancel DND:
1. Lift the handset or press ON/OFF.
2. Dial “73.”
3. Replace the handset or press ON/OFF.
Related Programming
• FF1 (System): Extension Class of Service Setting (CPC-AII and CPC-B
Version 4.0 or higher)
• FF3 (Extension): Extension Class of Service Assignment (CPC-AII and
CPC-B Version 4.0 or higher)
Considerations
• Callback Queuing can ring an extension in DND.
• In CPC-A and CPC-B Versions prior to 5.0, DND and Absence Messages
cancel Call Forwarding.
Beginning with Version 5.0, calls to an extension with DND or Absence
Message turned on are treated differently, depending on whether they are
trunk or intercom calls. Intercom calls receive busy tone; trunk calls are