Panasonic KX-TDA600 Operating Manual page 42

1.3 Telephone Features and Operation
To leave the conversation and then let the two parties talk
PT/PS
During a conversation
TRANSFER
C.Tone
Press
TRANSFER.
SLT
During a conversation
OR
C.Tone
Press Recall/
hookswitch.
42 Operating Manual
(DSS)
OR
extension no.
Press DSS or dial the other
party's extension number.
extension no.
Dial the other party's
extension number.
TRANSFER
Talk to the Press
other party. TRANSFER.
OR
Talk to the
Press Recall/
other party.
hookswitch.
On-hook.
On-hook.