ITE-12SD (Display) Do Not Disturb

Do Not Disturb allows incoming calls to be processed as if all extensions on that phone were busy.  If the extension being called also goes through to another phone, Do Not Disturb operates as a bell cutoff switch, and the second phone continues to receive calls for the shared extension. 

To activate Do Not Disturb:

1. Do not lift the handset.
2. Press DO NOT DISTURB.
3. The DO NOT DISTURB lamp should be ON.

To deactivate Do Not Disturb:

1. Do not lift the handset.
2. Press DO NOT DISTURB.
3. The DO NOT DISTURB lamp should be OFF.