Avaya S8100 Manuel D’Utilisation

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Glossary
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392
S8100 Installation and Upgrades
November 2003
Automatic Route Selection (ARS)
A feature that allows the system to automatically choose the least-cost way to send a toll call.
B
bash (Bourne-again shell)
Unix-like command-line interpreter.
Basic Rate Interface (BRI)
A standard ISDN frame format that specifies the protocol used between two or more communications 
systems. BRI runs at 192 Mbps and provides two 64-kbps B channels (voice and data) and one 16-
kbps D channel (signaling). The D channel connects, monitors, and disconnects every call. It also can 
carry low-speed packet data at 9.6 kbps.
C
cabinet
Housing for racks, shelves, or carriers that hold electronic equipment.
cable
Physical connection between two pieces of equipment (for example, data terminal and modem) or 
between a piece of equipment and a termination field.
cable connector
A jack (female) or plug (male) on the end of a cable. A cable connector connects wires on a cable to 
specific leads on telephone or data equipment.
call-accounting system (CAS)
This software feature provides recording, costing, and reporting of call detail records. Recording 
includes the capability to set record discard criteria that allow the customer to specify the data 
recorded. Costing uses tariff databases and user-defined parameters. Reporting produces both 
periodic reports for individual users, organizations, accounts, user-defined criteria, and demand 
statistics.
call-detail recording (CDR)
Textual representation of call traffic.
carrier
An enclosed shelf containing vertical slots that hold circuit packs.
CAS
See 
central office (CO)
The location housing telephone switching equipment that provides local telephone service and access 
to toll facilities for long-distance calling.
central office (CO) codes
The first three digits of a 7-digit public-network telephone number in the United States.
central office (CO) trunk
A telecommunications channel that provides access from the system to the public network through 
the local CO.
circuit
1. An arrangement of electrical elements through which electric current flows.
2. A channel or transmission path between two or more points.