Avaya Communication Manager Administrator's Manual page 1800

Glossary and Abbreviations
F
external call
A connection between a communications system user and a party on the public network or on another
communications system in a private network.
F
FAC
Feature Access Code
facility
A telecommunications transmission pathway and associated equipment.
facility-associated signaling (FAS)
Signaling for which a D-channel carries signaling only for those channels on the same physical
interface.
FAS
Facility-associated signaling
FAT
Facility access trunk
FAX
Facsimile
FCC
Federal Communications Commission
FEAC
Forced Entry of Account Codes
feature
A specifically defined function or service provided by the system.
feature button
A labeled button on a telephone or attendant console used to access a specific feature.
FEP
Front-end processor
fiber optics
A technology using materials that transmit ultra wideband electromagnetic light-frequency ranges for
high-capacity carrier systems.
FIC
Facility interface codes
FIE
Facility Information Element
fixed
A trunk allocation term. In the fixed allocation scheme, the time slots necessary to support a
wideband call are contiguous, and the first time slot is constrained to certain starting points.
flexible
A trunk allocation term. In the flexible allocation scheme, the time slots of a wideband call can
occupy noncontiguous positions within a single T1 or E1 facility.
1800 Administrator's Guide for Avaya Communication Manager
November 2003