Panasonic KX-TD7694 Operating Instructions Manual page 31

To set/cancel for intercom calls
To set/cancel for outside calls
To talk to the new party (While hearing the Call Waiting tone)
To terminate a current status
To hold and then talk to the new party
To page
Wait for an answer.
To answer
Document Version 2007-06
No call
Tone
No tone
Tone
(rapidly flashing F-CO Key [0-9, , #])
(rapidly flashing F-CO Key)
OR
Disregard this step if both parties are extensions.
Paging Group No. (2 digits)
Call Waiting
OR
Paging
(Announce)
Operation
31