You can activate or deactivate the Do Not Disturb mode on a per-line basis. If DND mode is activated for a specific line, all incoming calls to the line will be rejected automatically, and the callers will hear a busy tone.
To activate DND mode for a specific line via the handset:
- Press
to enter the main menu. - Select Call Features>Do Not Disturb.
- The LCD screen displays the incoming lines currently assigned to the handset. The default incoming line is highlighted and followed by a left arrow.
- Press
or 
to highlight the desired line, and then press the OK soft key. - Press
or 
to select Enabled from the Status field.
- Press the Save soft key to accept the change.
The 
icon on the status bar indicates the DND mode is activated.
You can press the Line soft key when the handset is idle to check the line status.
The 
icon at the bottom of a line indicates that the DND mode is activated for this line.
The handset will reject all incoming calls to this line, and the LCD screen displays the missed call icon 
followed by the number of missed calls.
DND is also configurable via web user interface at the path Features>Forward&DND.