DO NOT DISTURB (DND)
The Do Not Disturb (DND) feature denies a caller access to your extension. A caller from an extension hears DND tone. Outside callers will hear reorder (fast busy) tone.
To register Do No Disturb to your extension:
  | Action | Results | 
1.  | Lift handset.  | You hear dial tone.  | 
2.  | Dial the do not disturb | You hear service tone.  | 
  | registration code _____ .  | 
  | 
3.  | Hang up.  | 
  | 
To cancel a registered Do Not Disturb:
  | Action | Results | 
1.  | Lift handset.  | You hear dial tone.  | 
2.  | Dial the do not disturb  | You hear service tone.  | 
  | cancellation code _____ .  | 
  | 
3.  | Hang up.  | 
  | 
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