Matrix PRASAR UCS - Calling Line Identification Restriction (CLIR)

728 Matrix PRASAR UCS System Manual
Calling Line Identification Restriction (CLIR)
What's this?
The PRASAR UCS allows extension users to suppress their identity, that is, extension number and name, when
they call other extensions. This feature is called Calling Line Identification Restriction (CLIR).
Extensions that have 'CLIR Override' facility can view the CLI of those that have suppressed it with CLIR.
This is a feature of the system. It is applicable for internal calls only.
This feature will work only on the Matrix Extended IP Phone, VARTA UC Clients that support Caller Line
Identification (CLI).
How it works
• Extension A has CLIR enabled.
• Extension B does not have CLIR Override enabled.
• Extension C has CLIR Override enabled.
• When A calls B, B cannot view the extension name and number of A.
• When A calls C, C can view A's extension name and number.
Now,
• Extension D calls extension E.
• A picks up the call.
• D will be able to view A's name and extension only if it has CLIR Override enabled.
Feature Interactions:
• CLIP and Caller ID Presentation while Transfer: Both these features will not work if CLIR is enabled.
How to configure
CLIR and CLIR Override are Class-of-Service-dependent features. Extensions that are to be allowed these
features, must have them enabled in their Class of Service (CoS) group.
Decide which extensions should be allowed CLIR and which should be allowed CLIR Override.
By default, Station Basic Feature Template Number 01 is assigned to all the extensions of PRASAR UCS. Station
Basic Feature Template 01 is assigned CoS group 01 in which both CLIR and CLIR Override are disabled. Thus,
none of the extensions of the PRASAR UCS can suppress their CLI or force any other extension to display its CLI.
If you want to enable both features on all extensions, simply enable CLIR and CLIR Override in the default CoS
group 01.
If you want to allow CLIR to all extensions, but not allow CLIR Override to any extension, simply enable CLIR in the
default CoS group 01.
If you want to allow CLIR and/or CLIR Override to selected extensions, only, then follow these steps: