Glossary:
318 Installation and Upgrades for G700 with S8300 or S870 0
555-234-100 — Issue 3 — May 2003
bridged appearance
A call appearance on one telephone that matches a call appearance on another telephone for the duration of a call.
buffer
(1) For hardware, a circuit or a component that isolates one electrical circuit from another. Usually, a buffer holds data
from one circuit or one process until another circuit or process is ready to accept the data.
(2) For software, an area of memory that is used for temporary storage.
busA multiconductor electrical path that is used to transfer information over a common connection from any of several
sources to any of several destinations.
business communications terminal (BCT)
A digital data terminal for business applications. A BCT can use a data module to function as a special-purpose terminal
for services that are provided by a processor. A BCT can also function as a terminal for data entry and data retrieval.
BX.25
A version of the CCITT X.25 protocol for d ata comm unic atio ns. B X.25 add s a fou rth le vel to t he st an dard X.25 inte rfa ce.
This uppermost level combines levels 4, 5, and 6 of the International Standards Organization (ISO) reference model.
bypass tie trunk
A one-way, outgoing tie trunk from a tandem switch to a main switch in an electronic tandem network (ETN). Bypass tie
trunks are provided in limited quantities as a last-choice route when all trunks to anot her t andem swit ch are busy. See also
electronic tandem network (ETN).
C
cabinet
A container for racks, shelves, or carriers that hold electronic equipment.
cable
A wire or a group of wires that is used to connect a piece of equipment and a termination field, or to connect two pieces
of equipment such as a data terminal and a modem.
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 equipment or data equipment.
cache
A section of high-speed memory that holds blocks of data that the CPU is currently working on. The purpose of a cache is
to decrease the time that the CPU must spend to access memory.
CACR
Cancellation of Authorization Code Request
CAG
coverage answer group
Cajun
An obsolete term that was previously used to describe Avaya data networkin g products.
call accounting system (CAS)
A device that consists of hardware and software, and that attaches to a telephone system. A CAS is used to record
information about telephone calls, organize that information into usable data, and provide reports on telephone usage.