AT&T MERLIN LEGEND Release 3.1, Руководство по системному программированию

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Glossary
System Programming
GL–1
7
7500B Data Module
See
ISDN 7500B Data Module
.
A
account code
Code used to associate incoming and outgoing calls with
corresponding accounts, employees, projects, and clients.
Accunet
AT&T’s switched digital service for 56-kbps, 64-kbps
restricted, and 64-kbps clear circuit-switched data calls.
address
A coded representation of the destination of data or of the
data's originating terminal, such as the dialed extension
number assigned to the data terminal. Multiple terminals on
one communication line must each have a unique address.
ADDS
(Automated Document Delivery System) Computer-based
application that stores documents in a database and
automatically faxes them on request.
adjunct
Optional equipment used with the communications system,
such as an alerting device or
modem
that connects to a
multiline telephone or to an extension jack.
ALS
(Automatic Line Selection) Programmed order in which the
system makes outside lines available to a user.
AMI
(alternate mark inversion) Line coding format in which a
binary one is represented by a positive or negative pulse,
a binary zero is represented by no line signal, and
subsequent binary ones must alternate in polarity;
otherwise, a
bipolar violation
occurs. AMI is used in the
DS1
interface.
analog
transmission
Mode of transmission in which information is represented in
continuously variable physical quantities such as
amplitude, frequency, phase, or resistance. See also
digital transmission
.
ANI
(automatic number identification) Process of automatically
identifying a caller’s billing number and transmitting that
number from the caller’s local central office to another point
on or off the public network.