The Do Not Disturb feature allows you to reject all incoming calls. Incoming calls will be shown as missed calls. This can be useful when you are away from your desk.
Note: There are two ways to enable DND on your phone whether you have one or multiple SIP accounts saved in the phone.
If you only have one account on your phone:
To Disable the function, simply press the DND soft key again. The on the display will disappear.
If you have more than one account in your phone:
If you have more than one account in your phone, you can select which account you want to reject incoming calls. You can also select all accounts if you want to reject all incoming calls.
To reject all incoming calls:
Press on Save soft key
To select which account you want to reject incoming calls: