Panasonic KX-TDA15 User Manual page 71

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.
2.2 To hold the second call and then talk to the original party
After holding it, you can talk to the original party. Then, you can disconnect it and then talk to the new party
again.
PT/PS
During a conversation
HOLD
Press HOLD.
Disregard this step if both
parties are extensions.
On-hook.
Off-hook.
Press CO, ICD Group
or INTERCOM.
Off-hook.
Enter
(CO)
OR
(ICD Group)
OR
INTERCOM
Press CO, ICD Group
or INTERCOM.
Off-hook.
(CO)
OR
(ICD Group)
OR
INTERCOM
Talk to the
original party.
5 0
C.Tone
Talk to the
50.
original party.
Talk to the
original party.
(CO)
OR
(ICD Group)
OR
INTERCOM
Press CO, ICD Group
or INTERCOM.
1.4.4 Answering Call Waiting
Talk to the
new party.
User Manual 71