Telecommunications - Glossary Of Terms
GLOSSARY OF TERMS
0867 – an access code introduced by
Telecom for channelling Internet traffic to Internet service
providers.
2G – an abbreviation for ‘second generation
cellular technology’, which is capable of supporting digital
cellular services.
3G – an abbreviation for ‘third
generation cellular technology’ which is capable of
supporting very high-speed data services over a cellular
network.
ADSL – Asymmetric Digital Subscriber Line – a
common variant of xDSL technology that allows the use of a
copper wire to send high-speed data (e.g. high speed
Internet service downloads) in one direction and lower-speed
data (e.g. a control channel) in the other.
Bandwidth –
the physical characteristic of a telecommunications system
that determines the speed at which information can be
transferred. In analogue systems, it is measured in cycles
per second (Hertz) and in digital systems in binary bits per
second (Bit/s) or bytes per second (a byte being 8 bits).
Bill and keep – a reciprocal pricing rule under which
two ‘two-way’ networks agree to carry traffic from each
other’s network without charging each other. Each network
operator bills the traffic at its originating point and
keeps the revenue.
Bundling – the packaging of a number
of services together such that the price of the bundle is
less than the price of the individual services or smaller
bundled packages of those services.
Co-location – use
of an existing site owned by another service provider for
the purpose of facilitating network build out.
Copper
circuit – the main transmission medium used in local
telephone access networks to connect a telephone or other
apparatus to the local exchange. Copper circuits are
designed for voice telephony and have limited ability to
carry broadband services such as video, unless combined with
a technology such as ADSL.
Data tail - a service that
provides (an access seeker) the ability to transmit data to
a customer by accessing the Telecom (access provider) data
network at any point that is technically feasible (other
than at the physical level, i.e. the copper
circuit).
Digital divide – the risk that those with lower
incomes or living in more remote areas will have access to a
lower quality of telecommunications services than available
to others, and as a result may not be able to adequately
participate in the information economy.
Essential
facilities – also known as ‘bottleneck facilities ‘–
facilities that a competitor must have access to in order to
compete in a particular market.
Information disclosure –
a means of assisting competition by lowering the information
asymmetry between an incumbent and other service providers
and potential new entrants.
Interconnection – the
connection of two networks thereby allowing customers on one
network to connect with customers on the other network, or
to access services provided by the other network.
Kiwi
Share – a special share in Telecom that requires Telecom to
provide a specified range of services to residential users.
Kiwi Shareholder – the holder of the Kiwi Share, who is
the Minister of Finance acting on behalf of the Government.
Local loop – the line from a telephone customer’s
premises – usually a circuit of two copper wires – to the
telephone company’s nearest local exchange.
Local loop
unbundling – a requirement on the incumbent in the
telecommunications market to make available to other
providers individual components of its network, so that
other providers can offer a full range of competitive
telecommunications services.
Number Administration Deed
(NAD) – an industry-based mechanism for the centralised and
independent administration of telephone numbers, which
includes a process to address number portability issues.
Number allocation - access to blocks of telephone
numbers by service providers who provide individual numbers
to customers.
Number portability –the ability of
customers to retain their telephone numbers when changing
telecommunications service providers.
PSTN – Public
Switched Telephone Network – the switched telephone networks
of the major operators, on which calls can be made to all
customers of all PSTNs.
Radio spectrum – the range of
frequencies used, for example, by broadcasting radio,
terrestrial television and satellite television. Spectrum
is required for the provision of any kind of cellular
telephone service.
Roaming – the ability for cellular
phone users to make or receive calls on other service
providers’ networks when outside the coverage area of their
own cellular network service provider.
TSLRIC – a
cost-based pricing methodology reflecting ‘forward-looking
costs’ of an efficient operator, comprising direct costs,
the cost of capital, and a share of common costs. This is
commonly known as the Total Service Long-Run Incremental
Cost.
Universal service obligations – a requirement for
specified service(s) to be made available to customers on a
widespread basis. These services may not be sufficiently
profitable in a purely commercial environment.
Wholesale – the sale of telecommunications services at a
discounted or wholesale price to other telecommunication
services suppliers who then resell them to customers.
xDSL – (Digital Subscriber Line) describes a range of
technologies that allow the high-speed bidirectional
transfer of digitally-encoded data over a copper wire (e.g.
a television picture). Variants include: ADSL (Assymmetric
Digital Subscriber Line); SDSL (Symmetrical DSL); HDSL (High
bit rate DSL); VDSL (Very high bit rate
DSL).