Avaya 555-233-001 사용자 설명서

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Network management features 
10-7
Overview
555-233-001 — Issue 2 — November 2000
10  
Networking
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 ONE 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 ONE also provides a feature called Alternate Facility Restriction Levels 
that allows the attendant to temporarily change the Facility Restriction Levels on 
originating facilities 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.
Authorization codes
Authorization codes are used on particular calls to temporarily raise a telephone’s 
Facility Restriction Level. This feature is useful for those who make calls from 
telephones other than their own or from outside the network. If a call you dial is 
blocked because the telephone’s Facility Restriction Level is too low, you can enter 
your authorization code. If the Facility Restriction Level associated with the 
authorization code is equal to or higher than the Facility Restriction Level of the trunk 
facilities required to place the call, the call is then completed. Up to 5,000 different 
authorization codes will be in effect for your system at any one time. Using 
DEFINITY ONE’s system management tools, you can assign authorization codes and 
change their associated Facility Restriction Level and network access permissions.