Instruction manual

Glossary
expansion carrier
Carrier added to the control unit
when the basic carrier
cannot house all of the required
modules. Houses a power
supply module and up to six additional modules.
extension
An endpoint on the internal side of the communications
system. An extension can be a telephone with or without
an adjunct. Also called “station.” See also
data station.
extension jack
An analog, digital, or
tip/ring physical interface on a
module in the control unit for connecting a telephone or
other device to the system. Also called “station jack.”
extension
programming
Programming performed at an extension to customize
telephones for personal needs; users can program
features on buttons, set the telephone ringing pattern, and
so on. See also
centralized telephone programming and
system programming .
F
facility
Equipment (often a
trunk ) constituting a
telecommunications path between the system and the
telephone company central office (
CO ).
Facility Restriction
Level
See
FRL .
factory setting
Default state of a device or feature when an optional
setting is not programmed by the user or system manager.
fax
(facsimile) Scanning and transmission of a graphic image
over a telecommunications facility, or the resulting
reproduced image, or the machine that does the scanning
and transmitting.
Fax Attendant
System
Fax handling and processing application available with
AUDIX Voice Power .
FCC
(Federal Communications Commission)
feature
Function or service provided by the system.
feature code
Code entered on a dialpad to activate a feature.
feature module
Prior to Release 3.0, a circuit pack inserted into the
processor module , used to provide system features and
replaced when the system is upgraded.
Feature screen
Display screen on MLX display telephones; provides quick
access to commonly used features.
System Manager's Guide
GL–
9