Telstra 2002 Annual Report Download - page 320

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317
Telstra Corporation Limited and controlled entities
Glossary
Glossary
2.5G: technology designed to expand the bandwidth and data handling capacity of existing mobile
telephony systems such as GPRS
3G: Third generation
ACA: Australian Communications Authority
ACCC: Australian Competition and Consumer Commission
Access line: a fixed or wireless local access connection between a customer’s premises and a carrier’s local
switch
ACIF: Australian Communications Industry Forum
ACT: Australian Capital Territory
ADR: American Depositary Receipts
ADSL (Asymmetric Digital Subscriber Line): a compression technology that allows combinations of
services including voice, data and one-way, full motion video to be delivered over existing copper feeder,
distribution and subscriber lines
ADS: American Depositary Shares
ARPANSA (Australian Radiation Protection and Nuclear Safety Agency): a Commonwealth Government
agency responsible for protecting the health and safety of people and the environment, from the harmful
effects of radiation
ARPU: average revenue per user
ATM (Asynchronous Transfer Mode): a high bandwidth, low delay technology for transmitting voice, data
and video signals
Bandwidth: the capacity of a communication link
Broadband network: a network to support pay television and online services
CDMA (Code Division Multiple Access): a mobile telephone system based on digital transmission
Carriage service provider: a person that supplies a telecommunications service to the public using Carrier
network infrastructure
Carrier: a licensed owner of certain specified transmission infrastructure that is used to supply
telecommunications carriage services to the public; any person holding a carrier licence
Churn (where expressed as a rate): the rate at which subscribers to a service disconnect from the service.
Churn is usually expressed as total disconnects for a period divided by the average number of customers for
that period
Churn (where expressed as an activity): the transfer of a customer’s telecommunications’ service from one
supplier to another. In the case of a transfer involving a resale arrangement, no disconnection occurs and a
churn relates to a change in the legal entity responsible for a telecommunications service or account
Communications Minister: the Commonwealth Minister for Communications, Information Technology and
the Arts
Commonwealth: Commonwealth of Australia
CPE: Customer premises equipment