Glossary

Explore our library of thousands of telecoms terms and acronyms defined for on-the-job reference or learning new material.

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FI

Frame Information

FIFO

First-in First-out

FIPS

Federal Information Processing Standard

Firewall

Firewire

FISU

Fill In Signalling Unit

FIX

Federal Internet Exchange

FLR

Frame Loss Ratio

FM

Frequency Modulation

FMC

Fixed Mobile Convergence

FMS

First Missing PDCP Sequence Number

FMSS

Flexible Mobile Service Steering

FN

Frame Number

FOCC

Forward Control Channel

Foreign NID Roamer

Foreign SID Roamer

Forward CDMA Channel

FP

Frame Protocol

FPCH

Forward Pilot Channel

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FIFO