Panasonic KX-TD500 User Manual page 69

2.4 During a Conversation
To leave
PT
On-hook.
To talk to one party by terminating the other
PT
(CO)
OR
INTERCOM
Press CO or
INTERCOM.
• This feature overrides "Data Line Security"
Indication Tones (Data Line Security) and "Executive Busy Override Deny"
2.7.9 Denying Other People the Possibility of Joining Your Conversation (Executive
Busy Override Deny) .
68
2.7.11 Protecting Your Line against
Operation