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Installation and Maintenance Guide

Glossary

access code
A unique digi t or digits e ntered by the use r to access some tele phony fe atures such a s Line
pools, Call park, external lines, Direct-Dial telephone, and A uto D N.
address
A unique identifier assi gned t o networks and stations that allows e ach device to receive
and reply to messa ges.
Analog terminal adapter (ATA)
A device that connects analog telecommunication devices, such as fax machines,
answer ing machin es, a nd single li ne tele phones to the Bus iness Communic ations Manager
system through a Digital sta tion module.
Application program int erface (API)
An application program uses this interface to make reque sts of the operating system or
anot he r app lica tio n. T he A PI is an interfa ce t o an ope rat i ng sy stem or a program.
asynchronous
A method of transmission where the time int ervals between chara cters are not requi red to
be equal and signals are sourced from independent clocks with dif ferent freque ncies and
phase relationships. Start and stop bits may be adde d to coordinate character t ransfer.
autodial button
A memory button that provides one-touch dialing out.
autom atic daylight savings time
A feature that swi tches the system to standar d or daylight savings time at programmed
times. Assigns automatic daylight savings time under Daylight time in Sys tem
programming.
autom atic telep hone rel ocation
A feature that maintains persona l and system programing for a telephone keep when the
telephone gets moved to a differe nt modular jack. Enable Automat ic Tele phone
Relocation under Set relocation in System programming.
au xil iary ringer
An external tele phone ringer or be ll which ri ngs when a line or a telephone rings. Enables
the auxiliary ringe r under Capabilities under System DNs programming. Program an
auxiliary ringer in Services programming.
B-channel (bearer channel):
An ISDN standard transmission channel us ed for voi ce or data transmission. Also known
as a media channel.