Carphone Warehouse 2008 Annual Report Download - page 17

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Strategy
To acquire new customers and broaden the suite of services offered;
to invest in enhancing and modernising the network to maximise
efficiency and support new services.
Provision of voice and broadband
services to residential customers
in the UK under the TalkTalk and
AOL brands.
Provision of voice, data
and value-added services
to businesses in the UK.
ResidentialBusiness (B2B)
Overview of Business Divisions% of Group RevenueBrands
Both businesses are supported by our nationwide, state-of-the-art
all IP-network which delivers voice and data traffic in a highly
cost-effective manner.
ARPU
Average revenue per user: applies to both
mobile and fixed line customers. Usually quoted
as a monthly figure.
CPS
Carrier Pre Selection: the platform on which TalkTalk
has grown to date, whereby calls are switched from
BT onto an alternate service provider’s network at
the local exchange level.
DSLAM
DSL Access Multiplexor: First generation unbundling
infrastructure, handing off voice and data over DSL
between the customer and the unbundler’s backhaul
and core network, installed into BT exchanges.
IP Network
Internet Protocol Network: packet switched
technology used on the internet. The method
by which both voice and data will be switched
over Next Generation Networks.
ISP
Internet Service Provider: company providing
internet access.
LLU
Local Loop Unbundling: process that allows other
operators access to BT’s local loop, by installing
equipment in BT’s exchanges and physically
moving over a customer’s line.
Local loop
The copper wire that connects houses to the BT
local exchange network.
Migration
The process of moving a customer from BT’s
wholesale products onto our own unbundled lines.
MPF orfull unbundling
Providing both broadband and telephony services to
customers from our own exchange infrastructure.
MSAN
Multi Service Access Node: Second generation
exchange equipment used to connect copper loop.
Differs from a DSLAM in that it converts normal
circuit-switched voice calls into IP for transmission,
whereas a DSLAM can only handle IP voice.
MVNO
Mobile Virtual Network Operator: a mobile service
provider with no network infrastructure of its own,
that “piggybacks” off a network operator at a
commercially-negotiated wholesale rate.
OFCOM
The UK regulatory body for the telecoms and
media industries.
Openreach
The access services division of BT, responsible
for delivering equivalence of service on a range
of access products. The result of the regulatory
settlement between BT and OFCOM.
SMPF or partial unbundling
Providing broadband services to customers from
our own exchange infrastructure.
Glossary
www.cpwplc.com 5
Highlights
7% 24%
UK Fixed Line
Comprises our business-to-business and
residential fixed line telecoms business in the UK.