Calling Line Identification Restriction (Clir) On A Call-By-Call Basis - Proximus Forum 500 User Manual

group. You must enter your user PIN to activate the telephone lock
(see Changing the User PIN on page 33).
Note: National emergency numbers can still be dialled although the
telephone lock is activated, providing they have been defined in
your user group's special list in the Forum 500 / Forum 5000.
Ask your system administrator for these numbers.
You cannot activate/deactivate the telephone lock on a SIP terminal using the
code-number procedure described here. You can, however, operate the
feature with the Forum CTI additional programme. To do so, the system
administrator has to authorise you to use this programme. For more infor-
mation, please refer to the online help of the Forum 500 / Forum 5000.
Calling Line Identification Restriction (CLIR) on a
Call-by-Call Basis
H * 3 1 Z
(call no.)
For enquiry calls:
G R * 3 1 Z
(call no.)
Activating this function prevents your call number from being displayed on
the terminal of the internal or external party for a single call. This procedure is
not necessary:
● if the "Suppress phone number display permanently" function is set for
your user group or
● if CLIR is activated for your number in the Forum 500 / Forum 5000
telephone book.
On ISDN telephones you can also activate the calling line identification
restriction function on a call-by-call basis by means of a menu.
32
Even More Protection