Panasonic KX-NS500 Features Manual page 159

12.1.1 PBX Configuration—[4-1-1] Extension—Wired Extension—Extension Settings—Option 3—
Override Deny
12.2.1 PBX Configuration—[4-2-1] Extension—Portable Station—Extension Settings—Option 3—
Override Deny
PT Programming Manual References
[505] Executive Busy Override
[506] Executive Busy Override Deny
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
1.9.7 Preventing Other People from Joining Your Conversation (Executive Busy Override Deny)
2.10.2 Executive Busy Override
Executive
Executive
Feature Guide 159