Use this feature to be able to press a programmed button to prevent incoming calls for the extension from ringing (lights may still flash). You can still use the extension to make calls and to answer calls using line appearance buttons.
•You need to program a button with lights. When the Do Not Disturb feature is on, the light is also on, indicating that the telephone will not ring.
•Use Do Not Disturb when you do not want the auto attendant or the voice messaging system to transfer calls to you.
•Use Do Not Disturb if you are assigned to a Hunt Group and you leave your desk, so calls to the Hunt Group will skip your extension and ring immediately at the next available extension in the group.
•To avoid missing calls when Do Not Disturb is not needed, turn it off.
•Unanswered calls that are transferred from an extension with Do Not Disturb active, ring at that extension if they transfer return.
•Users with VMS Cover turned on can activate Do Not Disturb to send all calls immediately to their voice mailbox.
•Users with Call Coverage turned on can activate Do Not Disturb to send all calls immediately to the covering extension.
•You receive a slow interrupted intercom dialling tone when Do Not Disturb is active.
To Manually Switch Do Not Disturb On/Off
1.Dial Feature 85.
To Create a Do Not Disturb Button
1.At the phone press Feature *3. Program Ext: is displayed.
2.Press the button that you want to edit or enter the button number to select the button. The current setting of the button is displayed.
3.Dial Feature 85. The current setting of the button will now be set to Do Not Disturb.
•To finish, end the call or press the 
Release button.
To Add Do Not Disturb Exceptions
You can create a set of up to 20 numbers, calls from which are able to still ring you even when you have do not disturb switched on.
1.At the phone press Feature *3. Program Ext: is displayed.
2.Press the button that you want to edit or enter the button number to select the button. The current setting of the button is displayed.
3.Press Feature and dial 0700 to 0719.
•The number used above is not a fixed reference. For example, if the exception number set using 702 is cleared, any numbers set as 703 and above are move to 702 and above.
4.The current number is shown if any.
•To enter a number using the normal dialing keys.
•To enter a single digit wildcard, press the left-hand display soft key. The wildcard is shown as an X.
•To enter a multiple digit wildcard, press the middle display soft key. The wildcard is shown as an N.
•To finish, end the call or press the Release button.