BT 2014 Annual Report Download - page 210

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207
Additional information
Additional information
Glossary of terms
A
ADSL: asymmetric digital subscriber line – a broadband service where
existing wires between the local telephone exchange and a customer’s
telephone sockets are transformed into a high-speed digital line.
Asymmetric refers to diering downstream and upstream bandwidths
ARPU: average revenue per user
B
BDUK: Broadband Delivery UK
BTPS (BT Pension Scheme): the dened benet pension scheme which
was closed to new members on 31 March 2001
BTRSS (BT Retirement Saving Scheme): the scheme set up on
1April 2009 as successor to the BT Retirement Plan (which closed
to new members on 31March 2009). It is a contract based, dened
contribution arrangement
C
CP: communications provider
CWU: Communication Workers Union
D
DSL: digital subscriber line – a broadband service where existing wires
between the local telephone exchange and a customers telephone
sockets are transformed into a high-speed digital line
E
EBITDA: earnings before interest, taxation, depreciation and
amortisation
Ethernet: a widely-deployed network transmission technology
that transports large amounts of data in a fast, assured and highly
cost-ecient manner
F
FTTC: bre-to-the-cabinet – a variant of GEA which uses bre to
provide high connection speeds from the exchange to a street cabinet
near to a customer premises, and a copper line for the nal connection
to the premises
FTTP: bre-to-the-premises – a variant of GEA which uses bre to
provide high connection speeds for the whole route from the exchange
to the customer
G
GEA: Generic Ethernet Access – Openreachs wholesale bre broadband
product
I
IASB: International Accounting Standards Board – the board which
sets International Financial Reporting Standards
ICT: information and communications technology
IFRS: International Financial Reporting Standards
IP: internet protocol – a packet-based protocol for delivering data –
including voice and video – across networks
IPX: IP Exchange
ISP: Incentive Share Plan
K
KPIs: Key Performance Indicators
L
Ladder pricing: Ladder pricing links the amounts that BT charges
mobile operators for mobile calls to 0800, 0845 and 0870 numbers
terminating on our network to the retail price charged by mobile
operators to their customers
LLU: local loop unbundling – the process by which CPs can rent
the copper lines between BT’s exchanges and customer premises
from Openreach to provide voice and broadband services using
their own equipment