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Glossary
GL-2 Issue 2.0 December 1995
ALT
See
assemble load and test.
AMIS
See
Audio Messaging Interchange Specification
.
AMIS Prefix
A number added to the destination number to indicate that the destination number is an AMIS
analog networking number.
ampere (amp)
The unit of measurement of electric current. One volt of potential across one ohm causes a
current flow of one amp.
analog networking
A method of transferring a message from one messaging system to another whereby the
message is played back (voiced) during the transmission from one system to another.
analog signal
A communications path that, in teleprocessing usage, usually refers to a voice-grade telephone
line.
announcement fragment
A numbered piece of spoken information that makes up a system message or prompt.
antistatic
A material that is treated to prevent the build-up of static electricity.
API
See
application programming interface.
application programming interface
A set of formalized software calls and routines that can be referenced by an application program
to access underlying network services.
assemble load and test
The factory process that preloads software, installs hardware, and tests the system prior to
shipping.
asynchronous communication
A method of data transmission in which bits or characters are sent at irregular intervals and bits or
characters are spaced by start and stop bits and not by time. See also
synchronous
communication
.
asynchronous data unit (ADU)
An electronic communications device that can extend data transmission over asynchronous lines
more than 50 feet in length. Recommended ADUs include Z3A1 or Z3A4.
asynchronous transmission
A form of serial communications where each transmitted character is bracketed with a start bit
and one or two stop bits. The AT&T Intuity system provides asynchronous RS-232 capabilities for
Intuity AUDIX Digital Networking, if required.
attendant console
A special purpose phone with numerous lines and features located at the front desk. The front
desk attendant uses the phone to answer and transfer calls.