Special functions for ISDN Lines
Step by step
MORE FEATURES?
*503= ISDN.FEAT.ON?
*503
KEYPAD?
130
Using features provided by a carrier
over an ISDN network
In some countries, you may access features offered by
a local carrier for ISDN lines (ask your system's technical
support personnel for further information).
N
Press this key.
Select and confirm.
f
or
Enter the code to activate.
or There is an external call in progress.
Select and confirm.
j
Enter the external code.
This is not necessary for external calls or when "Auto
Keypad" has been activated by your technical support
team.
j
Enter the code to activate the appropriate ISDN feature.
w
Wait for a confirmation tone.
Example:
•
Activating call forwarding on the public network:
*210* destination number #.
•
Deactivating call forwarding on the public network:
#21#
The local carrier will provide information on
which ISDN features can be activated by code in
your country (ask your system's technical sup-
port personnel for further information).
Siemens is not responsible for any damage/
costs that may be caused by improper use or
handling (for example, abusive billing).