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In Australia the 1982 Davidson Enquiry regarding private sector involvement in delivery of existing/proposed telecommunications services recommended ending Telecom Australia's monopoly. In the preceding year Aussat Pty Ltd, another government agency, had been established to operate domestic satellite telecommunication and broadcasting services.

In practice Aussat's charter restricted it from acting as a competitor to Telecom, including a prohibition on interconnecting public switched traffic with Telecom's network. Aussat's viability was undermined through restrictions on raising capital, of critical importance given tepid government support and increasing costs. It wasn't until 1985 that Australia's first geostationary communications satellite was operational; by late 1990 it had debts of about $400 million.

The Australian Telecommunications Commission was restructured as the Australian Telecommunications Corporation, trading as Telecom Australia, in 1989. That year saw the last domestic telegram handled by Telecom, with responsibility for telegram operations handed over to Australia Post.

Proposals for a merger of Aussat and OTC (thereby permitting national delivery of telecommunication services in competition with Telecom) were rejected in favor of disposal of the satellite operator to a non-government entity that would be allowed to compete with Telecom.

Immediately following the decision that Optus Communications - a private sector entity owned by a consortium that included BellSouth - would be given Australia's second general carrier licence purchased the Satellite assets with many of the Non Satellite Assets remaining with the Government as part of Telstra.

Cable & Wireless, privatised after several decades of UK government ownership, took a controlling stake in Optus in 1998 (under the banner Cable & Wireless Optus) before control passed to SingTel in 2001.

Optus was initially allowed to enter the Australian telecommunications marketplace for national long distance and international telephone calls, with other players prevented from entering the general telephone market until 1997 and 'pro-competition' mechanisms under the Trade Practices Act 1974- such as guaranteed access to Telecom's existing infrastructure on reasonable terms - meant to ensure its viability.

Telstra also faced competition in market niches such as long distance corporate voice and data services, with AAPT (a spinoff of the local AAP financial data/news service) active from 1991. MCI Communications, later absorbed by the ill-fated WorldCom, was an early major shareholder of AAPT but departed in 1994. New Zealand's Todd Corporation took a 24.5% stake in AAPT in 1992. In 1995 AAPT launched a mobile phone service, using Vodafone as its network supplier, acquired a 50% of Australian ISP connect.com.au Pty Ltd and bought NewsNet ITN. In the same year SingTel acquired a 24.5% shareholding in AAPT.

In 1996 AAPT bought 40% of Cellular One Communications, followed by QNET Communications. In that year it gained a carrier licence, offering long distance services to the residential market and building communications networks for the South Australian and Victorian governments. It subsequently moved to 100% of CorpTEL Communications, its AAPT Sat-Tel satellite joint venture, connect.com.au and Cellular One. US operator Primus acquired Axicorp (rebadged as Primus Telecom) in 1997, gaining a carriers license and expanding into internet services.