Panasonic KX-TDE100 Operating Manual page 49

After talking to the new party (second call), you can disconnect (2.1) or hold (2.2) it and then retrieve
the first call.
2.1 To disconnect the second call and then talk to the original party
PT/PS
During a conversation
On-hook.
PT/SLT/PS
During a conversation
On-hook. Off-hook.
(CO)
(ICD Group)
Off-hook.
INTERCOM
Press CO, ICD Group, PDN,
SDN, or INTERCOM.
Enter
1.3 Telephone Features and Operation
OR
OR
(PDN)
OR
Talk to the
original party.
(SDN)
OR
5 0
C.Tone
Talk to the
50.
original party.
Operating Manual 49