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Jargon Buster
Following the Great Switch Off and All-IP can be difficult at times, with tons of acronyms and jargon to decode. That’s why we’ve pulled together this jargon buster guide, listing all those confusing acronyms and what they stand for.
ADSL – Asymmetric Digital Subscriber Line
ATA – Analogue Telephone Adapter
BB – Broadband
BT – British Telecom
CF – CityFibre
CLOA – Customer Letter of Authority
CNI – Critical National Infrastructure
CP – Communication Provider
DDI – Direct Dial In
EU – End User
FTTC – Fibre To The Cabinet
FTTP – Fibre To The Premises
FUP – Fair Use Policy
IP-PBX – Internet Protocol private branch exchange
GSO – Great Switch Off
HVS – Hosted Voice Select
ISDN – Integrated Services Digital Network
LLU – Local Loop Unbundling
LOA – Letter of Authority
MBM – Main Billing Number
NTE – Network Terminating Equipment
OTT – Over The Top
PBX – Private Branch Exchange
PSTN – Public Switched Telephone Network
SIP – Session Initiation Protocol
SOADSL – Single Order Symmetric Digital Subscriber Line – aka SOTAP
SOGEA – Single Order Generic Ethernet Access
SOGFAST – Single Order G.Fast
SVR – Site Visit Reason
VDSL – Very high-speed Digital Subscriber Line
V-IP – Virtual Internet Protocol
VoIP – Voice over Internet Protocol
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