Panasonic KX-TD816NZ - Manual (Page 64)

2.4 During a Conversation
64
Operation
Letting a third party join your call (Privacy Release)
To leave
To talk to one party by disconnecting the other
You can let a third party join your current outside call.
• This feature overrides "Data Line Security" and "Executive Busy Override Deny."
Press lighted CO.
Ask the third party to perform the step below.
Press flashing green
CO within 5 seconds.
During a conversation
A three-party conversation
is now established.
PT
Talk.
C.Tone
(CO)
(CO)
PT
On-hook.
Press CO or
INTERCOM.
PT
INTERCOM
OR
(CO)