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Glossary:
Installation and Upgrades for G700 with S8300 or S8700
555-234-100 — Issue 3 — May 2003
313
appearance
A software process that supervises a call. An appearance is associated with an extension, which can have multiple
appearances. Also called call appearance, line appearance, and occurrence. See also
call appearance.
application programming interface (API)
The programming interface between two software entities. For example, maintenance defines an API that is used as the
interface between Simple Network Management Protocol (SNMP) and maintenance.
application service element (ASE)
See
capability group.
architecture
The organization or the structure of a system, including the system hardware and the system software.
ARP
See Address Resolution Protocol (ARP)
.
ARS
See
Automatic Route Selection (ARS).
ASAI
See
Adjunct-Switch Application Interface (ASAI).
ASCII
See
American Standard Code for Information Interchange (ASCII).
ASE
Application service element. See
capability group.
ASG
See Access Security Gateway (ASG)
.
ASIC
Application-Specific Integrated Circuit
association
A communication channel between an adjunct and a switch for the exchange of messages. An active association is an
association that applies to an existing call on the switch or to an extension on the call.
asynchronous data transmission
A method to transmit data in which each character is preceded by a start bit and followed by a stop bit. Asynchronous
transmission is used to transmit data at irregular intervals, such as when a user types characters at a keyboard. Also called
asynchronous transmission. See also
Synchronous Optical NETwork (SONET).
asynchronous data unit (ADU)
A device that is used to make a direct connection between RS-232C equipment and a digital switch.
Asynchronous Transfer Mode (ATM)
A network technology that transfers cells or packets of data of a relatively small (53 bytes) and constant size over a fixed
channel or route that is established when the data transfer begins. Individually, a cell is processed asynchronously relative
to other related cells, and is queued before being multiplexed over the transmission path. See also
Transmission
Control Protocol (TCP).
ATA
See
Enhanced Integrated Drive Electronics (EIDE).
ATB
See
all trunks busy (ATB).