On 1 July 1975, the Australian Telecommunications Commission was established by Commonwealth legislation and commenced operations under interim legislation. The Telecommunications Commission started trading on this date as 'Telecom Australia' and is responsible for the following services:
 1  Internal telephone services within Australia
 2  Telex services and data transmission services
 3  Bearer transmission equipment for television relay and
    translator stations
 4  National radio transmitters

From 1 July 1995 the domestic trading name was changed to Telstra Corporation Limited, the legal and overseas trading name of the corporation since 1993.
 

Historical agency address
17th Floor, 309 Kent Street, Sydney 
(other city addresses, including GPO)
Legislation administered
Creation: Commonwealth of Australia Acts, No.55 of 1975, Telecommunications Act, 1975
No 56 of 1975, Postal and Telecommunication Commission (Transitional Provisions) Act 1975