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Operation
2.2.7 Integrated Services Digital Network (ISDN) Service
Access
You can reach the ISDN Key Pad Protocol Service from your extension. The service depends on the
contract with your telephone company.
If your telephone has an ISDN SERVICE button
DPT
Off-hook.
If your telephone does not have an ISDN SERVICE button
DPT
Off-hook.
DPT/SLT
Off-hook.
•
At the end of the procedure, a voice prompt tells you that the acceptance of the service is
completed depending on each Integrated Digital Services Network.
50
(CO)
OR
9
OR
8
1
to
8
3
Seize an external line
(CO, 9 or 81-83).
(CO)
OR
9
OR
8
1
to
8
3
Seize an external line
(CO, 9 or 81-83).
7
2
9
Dial 729.
Enter ISDN Port
number (1, 2 or 3).
(ISDN SERVICE)
Press " ISDN SERVICE " button.
FWD/DND
Press FWD/DND
Enter ISDN Service
button.
number (max. 32 digits).
ISDN Port no.
Enter ISDN Service
number (max. 32 digits).
ISDN Service no.
ISDN Service no.
User Manual
FWD/DND
Press FWD/DND
button.
Wait for
5 seconds.
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