You can use the Features menu to switch 'do not disturb' (DND) on or off. Enabling DND will not affect any calls already being presented to your phone. Hunt group calls will also still be presented if you are the only available member of the group.
1.Press the Features soft key if shown. To do this during a call, press the PHONE key and then press the Features soft key.
2.Use the up and down cursor keys to highlight Call Settings. Press Select.
3.Press Change to change the setting.
4.Press Save to save the setting.
Your system administrator can configure whether you can access this menu option. See Menu Access Control.