Campon
To Campon to a busy station:
zPress the Wait softkey.
To retrieve a call when you hear Campon tone:
zPress the Trade softkey.
Do Not Disturb
To activate or deactivate Do Not Disturb:
zPress the Do Not Disturb feature key.
zPress 
.
zPress the NO softkey until "Do Not Disturb" appears.
zDo one of the following:
Press TurnOn to activate Do Not Disturb.
Press TurnOff to deactivate Do Not Disturb.
To activate Do Not Disturb from a remote station:
1.Dial **5.
2.Dial the number of the station to which Do Not Disturb is to apply.
3.Press 
to hang up.
To deactivate Do Not Disturb from a remote station:
1.Dial ##5.
2.Dial the number of the station with Do Not Disturb activated.
3.Press 
to hang up.
Override
To use Override when you encounter busy or DND tone:
zPress the Intrude feature key.