Siemens SANTIS-ab User Manual page 22

Calling Line Identification Restriction (CLIR) Switch
Command-No / Meaning
411 CLIR at
a/b1-interface
412 CLIR at
a/b2-interface
In the ISDN world the number of the caller is submitted to the
called party.
CLIR means 'Calling Line Identification Restriction', i.e. the
caller number is not submitted.
Additionally the CLIR-service must be activated in the central
office by your network provider.
Restrictions for NT+2ab/CA restr. and Pairgain:
a/b1 via a/b1 only; a/b2 via a/b2 only.
22
Parameter value
0 = ident. restr.
1 = ident. allowed
0 = ident. restr.
1 = ident. allowed
Default
1
1