25
Black- and Whitelists
Note:
Your telephone can be
blocked from dialling all or only cer-
tain external telephone numbers. It
is always possible to call the emer-
gency numbers. Please consult your
System Administrator.
Keypad Dialling
Some European providers require
the Keypad Protocol in order to set
features such as call diversion (not
in Germany). To do this, you must
set your handset (before dialling) by
entering code digits specified by
your provider. These are transmit-
ted to the exchange and evaluated
there. You will normally receive an
announcement in reply.
G±¡“
Your telephone is now set to the
Keypad Protocol. You can now enter
the keypad code digits.
Note:
The setting is deleted again
when the connection is terminated.
Telephoning
General
Least Cost Routing (LCR)
For every outgoing call, your system
automatically establishes a connec-
tion via LCR to one of the providers
set by the System Administrator. If
you do not want to use this pre-
ferred connection, then before your
call, select
LCR
from the menu, as
described in the following section.
Ask your System Administrator if
LCR has been set up for you.
Note:
Baby call and external call for-
warding are not automatically
established via preferred connec-
tions. In order to use a provider
other than the standard provider,
you can preface the telephone
number with the code digits of the
desired provider before dialling the
telephone number you wish to call.
Transmission of Your
Telephone Numbers
In ISDN there are various services
enabling and disabling the trans-
mission of telephone numbers
between subscribers.
CLIP
The calling number is displayed (if
transmitted). If this number is also
listed in your phone book, the name
will be displayed.
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