Panasonic KX-TDA15 User Manual page 75

• Only an S-CO button can be used for this operation.
• You can leave a three-party conversation and let the two other parties talk by simply going on-
hook.
Adding a Third Party during a Conversation Using the ISDN Service
(Three-party Conference [3PTY]—by ISDN)
PT/PS
During a conversation
(ISDN-Hold)
Press ISDN-Hold.
PT/PS
During a conversation
TRANSFER
C.Tone
Press TRANSFER.
3
C.Tone
Enter 3.
desired
phone no.
Dial desired phone
number.
Seize outside line before
dialling outside phone number.
6 2
Enter 62.
Talk with multiple parties.
Talk to the Press CONF.
new party.
desired
phone no.
Dial desired
phone number.
Seize outside line before
dialling outside phone number.
1.4 During a Conversation
CONF
C.Tone
Talk with multiple
parties.
TRANSFER
Talk to the Press TRANSFER.
new party.
User Manual 75