Panasonic KX-NS1000 Operating Manual page 67

To add another party on hold to a conference
PT/PS
During a 3- to 7-party conference
Press CONF.
Press the flashing CO, ICD Group,
PDN, or SDN corresponding to
the party on hold.
To talk to two parties alternately in a three-party conversation
PT/PS
During a conversation
Press TRANSFER.
SLT
During a conversation
Press Recall/hookswitch.
Document Version 2013-04
(CO)
OR
(ICD Group)
OR
(PDN)
Press CONF.
OR
(SDN)
1.3.15 Conference
C.Tone
Talk with
multiple parties.
Operating Manual 67