Dialog 4223 Professional - Manual (Page 21)

21 Dialog 4223 Professional
Incoming Calls
Do Not Disturb, DND
When you activate DND, calls to your extension are not indicated.
Outgoing calls can be made as usual.
DND Press to activate or deactivate DND (see display).
Note: You can also press DND (Function key
preprogrammed by your system administrator) or use the
procedure below. *27#
Dial to activate,
Special dial tone.
or #27#
dial to deactivate.
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Press to finish activation/deactivation.
Note: If your phone is programmed with “Multiple Directory
Diversion and Do Not Disturb” (ask your system
administrator), DND is ordered and cancelled
simultaneously on all lines. This function is only available in
newer versions of the telephone exchange.