User manual
FRITZ!Fon M2 39
CLIR for One Call (Case by Case)
FRITZ!Fon 39
5.3 CLIR for One Call (Case by Case)
If you do not want your telephone number to appear on the display of
the handset you are calling, you can suppress your telephone num-
ber for an outgoing call (CLIR) on a case by case basis. Here is how to
use CLIR (Calling Line Identification Restriction):
For an overview of the voice menu, see the manual of your
FRITZ!Box.
The internal telephone numbers of all answering machines
are displayed in the FRITZ!Box user interface in the “Tele-
phony / Telephony Devices” menu.
Press “Options”.
Select “Anonymous call” and then press “OK”.
Press “On”.
Dial the desired telephone number. Your number will
not be transmitted for this call.
If you would like to suppress your number permanently,
enable CLIR in the FRITZ!Box user interface. See the sec-
tion Settings in the FRITZ!Box User Interface on page 58 for
instructions.
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