Siemens SANTIS-ab - Manual (Page 22)

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Calling Line Identification Restriction (CLIR) Switch
Command-No / Meaning
Parameter value Default
411 CLIR at
a/b1-interface
0 = ident. restr.
1 = ident. allowed 1
412 CLIR at
a/b2-interface
0 = ident. restr.
1 = ident. allowed 1
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.