Panasonic KX-TDA600 Operating Manual page 55

To add four or more parties to a conference
PT/PS
During a conversation
CONF
Press CONF.
Seize CO line before
dialing outside phone number.
To add another party on hold to a conference
PT/PS
During a 3- to 7-party conference
CONF
Press CONF.
To talk to two parties alternately in a three-party conversation
PT/PS
During a conversation
TRANSFER
Press TRANSFER.
To continue
desired
phone no.
Talk.
Dial desired
phone number.
(CO)
OR
(ICD Group)
OR
(PDN)
OR
(SDN)
Press flashing CO, ICD Group,
PDN, or SDN corresponding to
the party on hold.
1.3 Telephone Features and Operation
CONF
C.Tone
Press CONF.
CONF
C.Tone
Press CONF. Talk with
multiple parties.
Talk.
Operating Manual 55