This feature puts the user into 'Do Not Disturb' mode. When on, all calls, except those from numbers in the user's exception list hear busy tones or are redirected to voicemail if available. For further details, see Do Not Disturb (DND).
CCR is not supported in IP Office release 9.1 and later.
Details
Telephone Number:
Default Short Code: *08
Programmable Button Control: DNDOn
See also: Do Not Disturb Off, Do Not Disturb Exception Add, Do Not Disturb Exception Delete.