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92 User Manual
2.5.2 Multi-party Conversation through ISDN Line (ISDN
Conference)
You can add one or more parties to your conversation using only one channel of ISDN line.
ISDN Call Hold
You have to let the central office hold a call from an ISDN line as the first step of the ISDN Conference
feature or the ISDN Call Transfer feature. ISDN Call Hold enables you to hold a call, and to make a
call to other external party using only one channel of ISDN (BRI) line.
To add a party
Talk.
DPT
Press TRANSFER.
C.Tone
D.Tone
C.Tone
During a conversation through an ISDN line
Enter the new party's
phone number.
new party's
phone no.
Press CONF.
5
Dial 5 .
Talk.
TRANSFER
CONF
Talk.
SLT
C.Tone
D.Tone
C.Tone
During a conversation through an ISDN line
3
Enter the new
party's phone
number.
new party's
phone no.
Press Recall.
(Recall)
Press Recall. Dial 3.
(Recall)
5
Dial 5 .
Talk.
Talk.
ISDN Extn.
C.Tone
D.Tone
C.Tone
During a conversation through an ISDN line
Enter the new
party's phone
number.
new party's
phone no.
Press R key.
5
Dial 5 .
Press CONFERENCE.
CONFERENCE
Talk.