Avaya DEFINITY ONE Installation And Upgrades page 478

Installation and Upgrades for DEFINITY ONE and
IP600 Internet Protocol Release 10 555-233-109
Glossary
Automatic Route Selection (ARS)
A feature that allows the system to automatically choose the least-cost way to send a toll call.
B
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 all calls. It also can carry
low-speed packet data at 9.6 kbps.
Bash (Bourne Again Shell)
Unix-like command line interpreter.
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 call accounting system (CAS)
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.
Issue 6
December 2001
GL-2