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User Manual 89
2.5 Using ISDN Additional Services
2.5.1 Transferring a Call from ISDN Line to ISDN Line (ISDN
Call Transfer)
You can transfer your calls to an ISDN line without occupying the CO lines.
ISDN Call Hold
You have to let the central office hold a call from an ISDN line as the first step to use the ISDN Call
Transfer service or the ISDN Conference service. 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 transfer
On-hook.Talk.
DPT
Press TRANSFER.
C.Tone
D.Tone
During a conversation through an ISDN line
Enter phone number.
phone no.
5
Dial 5 .
The destination is confirmed before
sending. This can be disregarded.
TRANSFER
Talk.
SLT
C.Tone
D.Tone
During a conversation through an ISDN line
Enter phone number.
phone no.
Press Recall.
(Recall)
5
Dial 5 .
The destination is confirmed before
sending. This can be disregarded.
On-hook.
On-hook.Talk.
ISDN Extn.
C.Tone
D.Tone
During a conversation through an ISDN line
5
Enter phone number.
phone no.
Press R key. Dial 5 .
The destination is confirmed before
sending. This can be disregarded.