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APLT
appearance
application
applications processor
application service
element
architecture
ARS
ASAI
ASCII (American
Standard Code for
Information Interchange)
association
asynchronous data
transmission
asynchronous data unit
(ADU)
asynchronous Transfer
Mode (ATM)
Advanced Private-Line Termination
A software process that is associated with an extension and whose purpose is to
supervise a call. An extension can have multiple appearances. Also called call
appearance, line appearance, and occurrence. See also
page 394.
An adjunct that requests and receives ASAI services or capabilities. One or more
applications can reside on a single adjunct. However, the switch cannot distinguish
among several applications residing on the same adjunct and treats the adjunct, and
all resident applications, as a single application. The terms application and adjunct
are used interchangeably throughout this document.
A micro-computer based, program controlled computer providing application
services for the switch. The processor is used with several user-controlled
applications such as traffic analysis and electronic documentation.
See
capability group
on page 395.
The organizational structure of a system, including hardware and software.
See
Automatic Route Selection (ARS)
See
Adjunct-Switch Application Interface (ASAI)
The standard code for representing characters in digital form. Each character is
represented by an 8-bit code (including parity bit).
A communication channel between adjunct and switch for messaging purposes. An
active association is one that applies to an existing call on the switch or to an
extension on the call.
A method of transmitting data in which each character is preceded by a start bit and
followed by a stop bit, thus permitting data characters to be transmitted at irregular
intervals. This type transmission is advantageous when transmission is not regular
(characters typed at a keyboard). Also called asynchronous transmission. See also
synchronous data transmission
A device that allows direct connection between RS-232C equipment and a digital
switch.
A packet-like switching technology in which data is transmitted in fixed-size (53-byte)
cells. ATM provides high-speed access for data communication in LAN, campus,
and WAN environments.
asynchronous Transfer Mode (ATM)
on page 391.
on page 387
on page 428.
call appearance
on
Issue 1.0 May 2003
389
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