Panasonic KX-NS500 - Page 87

Feature Guide References
5.1.1 Class of Service (COS)
User Manual References
1.2.4 When the Dialled Line is Busy or There is No Answer
1.9.2 Refusing Incoming Calls
(Do Not Disturb [DND])
Feature Guide 87
2.3.3 Do Not Disturb (DND)