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external measurements
external call
FAC
facility
facility-associated
signaling (FAS)
FAS
FAT
FAX
FCC
FEAC
feature
feature button
FEP
FIC
fiber optics
fixed
flexible
floating
FNPA
Those ACD measurements that are made by the External CMS adjunct.
A connection between a communications system user and a party on the public
network or on another communications system in a private network.
Feature Access Code
A telecommunications transmission pathway and associated equipment.
Signaling for which a D-channel carries signaling only for those channels on the
same physical interface.
Facility-associated signaling
Facility access trunk
Facsimile
Federal Communications Commission
Forced Entry of Account Codes
A specifically defined function or service provided by the system.
A labeled button on a telephone or attendant console used to access a specific
feature.
Front-end processor
Facility interface codes
A technology using materials that transmit ultrawideband electromagnetic light-
frequency ranges for high-capacity carrier systems.
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.
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.
A trunk allocation term. In the floating allocation scheme, the time slots of a
wideband call are contiguous, but the position of the first time slot is not fixed.
Foreign Numbering-Plan Area
Issue 1.0 May 2003
FNPA
407
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