10

Network Management Features

Facility Restriction Level

Facility Restriction Levels are used to limit user calling privileges for incoming and outgoing calls. The Facility Restriction Level determines if a call attempt is permitted and which routes can be used or denied in the routing process. Eight levels of Facility Restriction Levels can be assigned to telephones, computers, and system management tools. DEFINITY ProLogix Solutions does not require the Facility Restriction Level to be in an ascending order when administered in the patterns or preferences through system management.

When a call is attempted, the system compares the Facility Restriction Level of the telephone with the Facility Restriction Level of the trunk routes available to complete the call. If the Facility Restriction Level of the telephone is equal to or higher than the Facility Restriction Level of trunks, the call is completed; if it is lower, the call is blocked on that preference and compared to the Facility Restriction Level of the next route available. If the call fails to match the Facility Restriction Level on the available preferences, the call may queue for the first available and compatible trunk group (equal to or higher).

DEFINITY ProLogix Solutions also provides a feature called Alternate Facility Restriction Levels that allows the attendant to change the Facility Restriction Levels on originating facilities temporarily to a different set of Facility Restriction Levels. It is used to grant users greater access to trunking facilities than is normally provided, such as when charges are lower during evening hours.

DEFINITY ProLogix Solutions Release 2 Overview 555-235-100

Issue 2 June 1999 10-13

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Lucent Technologies 555-235-100 manual Facility Restriction Level