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Telstra

Telstra is a science topic covered in the lgStudy science library. This page brings together a partial reference excerpt, illustrations, worked examples, real-world applications and a short study plan, so you can understand Telstra rather than just read about it. In short: Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share.

Telstra — main illustration
Telstra — illustration

Key takeaways

  • Telstra belongs to science; place it in that map before memorising details.
  • Learn the definition first, then one example that makes the definition concrete.
  • Connect Telstra to a quantity you can measure, compute or draw — that is where exam questions come from.
  • Reproduce the core statement of Telstra from memory before moving on to harder problems.

Reference excerpt

Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share. Telstra has a long history in Australia, originating together with Australia Post as the Postmaster-General's Department upon federation in 1901. Telstra had transitioned from a state-owned enterprise to a fully privatised company by 2006.

History Australia's telecommunications services were originally controlled by the Postmaster-General's Department (PMG), formed in 1901 as a result of Australian Federation. Prior to 1901, telecommunications were administered by each colony. On 1 July 1975, separate commissions were established by statute to replace the PMG. Responsibility for postal services was transferred to the Australian Postal Commission (Australia Post). The Australian Telecommunications Commission, trading as Telecom Australia, ran domestic telecommunication services. In 1989, the ATC introduced new buildings and frameworks. In 1993, the Overseas Telecommunications Commission, a separate government body established in 1946, was merged with the Australian Telecommunications Corporation into the short-lived Australian and Overseas Telecommunications Corporation (AOTC) which continued trading under the established identities of Telecom and OTC. The AOTC was renamed to Telstra Corporation Limited in April 1993. Telstra has faced competition since the early 1990s from Optus (Australia's second largest communication company) and a number of smaller providers. Telstra once retained ownership of the fixed-line telephone network, but since the nationwide upgrade to the National Broadband Network (NBN), the Australian Government now has legal ownership of these lines since 2007, though Telstra has played a big part in this upgrade supplying resources to the Government on the new network.. In 2025, Telstra sold its remaining 35% stake in Australian media company Foxtel.

Overseas Telecommunications Commission

The Overseas Telecommunications Commission (OTC) was established by an Act of Parliament in August 1946. It inherited facilities and resources from AWA and Cable & Wireless, and was charged with responsibility for all international telecommunications services into, through and out of Australia. On 1 February 1992, it was merged with Telecom as the Australian and Overseas Telecommunications Corporation (AOTC). The new organisation underwent a corporate identity review and was subsequently renamed Telstra for international business in 1993 and domestic business in 1995.

Privatisation Beginning in 1997 and finalising in 2011, the Federal Government began to privatise the corporation. The first three stages was initiated by the Howard government: the first, informally known as "T1" (with shares priced at $3.30), occurred in 1997. "T2" ($7.40) followed in 1999; "T3" ($3.60) in 2006. In T1, the government sold one third of its shares in Telstra for $14 billion and publicly listed the company on the Australian Securities Exchange. In 1998, a further 16% of Telstra shares were sold to the public, leaving the Australian government with 51% ownership. In 2006, T3 was announced by the government and was the largest of the three public releases, reducing the government's ownership of Telstra to 17%. The 17% remainder of Telstra was placed in the Future Fund, a sovereign wealth fund established mainly to meet future liabilities for payment of superannuation to retired federal public servants. In 2009, the Future Fund sold off another $2.4 billion worth of shares, reducing the government's stake in Telstra to 10.9%. In August 2011, under the Gillard government, the Future Fund sold its remaining "above market weight" Telstra shares, reducing its holding to 0.8% of the shares, effectively completing Telstra's privatisation. With more than one million shareholders, Telstra is currently the most widely held ASX-listed company.

National Broadband Network

On 26 November 2008, Telstra submitted a non-complying tender issued by the federal government to build a National Broadband Network, a 12-page letter proposing a $5 billion broadband network covering between 80 and 90 percent of the Australian population in major cities, despite the tender requiring 98 percent coverage. As a result, Telstra was removed from the National Broadband Network RFP process on 15 December 2008. In response, Telstra announced that it would raise speeds on its existing Next G network and HFC "cable" network so that they both offer higher speeds than the RFP for the NBN requires. Following Telstra's exclusion from the National Broadband Network bidding process Telstra's share price suffered the biggest one-day percentage fall in its history. NBN Co Limited signed a definitive agreement with Telstra on 23 June 2011, estimated to be worth A$9 billion post-tax net present value, building upon the signing of a financial heads of agreement a year beforehand. Telstra agreed to "disconnect" its Internet customers from the copper and hybrid fibre-coaxial networks in areas where FTTP has been installed, and agreed to lease dark fibre, exchange space and ducts to NBN Co. As part of the agreement, Telstra would not be able to market their mobile network as an alternative to the NBN for a number of years. Telstra remains the owner of its networks. On 18 October 2011, Telstra shareholders overwhelmingly approved the deal. On 14 December 2014 it was announced that in a A$11b renegotiated deal Telstra will transfer ownership of its copper and hybrid fibre-coaxial (HFC) networks to NBN while disconnecting premises from these networks. This ownership allows NBN Co to use these networks "where it sees fit in for its multi-technology NBN rollout."

Incidents

WotNext In January 2007 Telstra launched WotNext, a video-publishing website that allowed users to upload videos. The video content was then sold to mobile users for A$1, which the uploader and Telstra split equally. The website was shut down in December 2007 after a media backlash over uploaded semi-pornographic videos.

… excerpt ends here. Continue reading the full article.

Illustrations

Telstra illustration
Telstra illustration
Telstra: Former OTC dish at Ceduna, South Australia
Former OTC dish at Ceduna, South Australia
Telstra: Telstra phone booths showing the 2010s colour scheme, replacing the former orange logo with shades of green and blue
Telstra phone booths showing the 2010s colour scheme, replacing the former orange logo with shades of green and blue
Telstra: Telstra Store in Chadstone Shopping Centre, Melbourne
Telstra Store in Chadstone Shopping Centre, Melbourne

Worked examples

Example 1 — a first encounter with Telstra

Start with the simplest possible case. Write down what Telstra claims or describes in one sentence, then invent the smallest concrete situation in which that sentence is true. In science, the smallest case is usually a single object, a single equation or a single measurement. Check that every symbol or term in your sentence has a meaning in that case.

Example 2 — changing one variable

Take the situation from Example 1 and change exactly one quantity: double it, halve it, or set it to zero. Predict what should happen to Telstra before you calculate. Comparing your prediction with the result is the fastest way to find out whether you understand the idea or only the words.

Example 3 — an exam-style question

Typical questions about Telstra ask you to (a) state it precisely, (b) apply it to given data, and (c) explain a limitation. Practise writing all three answers in under five minutes; the third part is what separates a full-mark answer from an average one.

Applications of Telstra

In research
Telstra appears in science research whenever the underlying quantities have to be modelled precisely. Papers usually cite it as a starting assumption and then explore where it breaks down.
In technology and industry
Engineering practice reuses Telstra in design rules, simulations and safety margins. Knowing the idea lets you read a specification sheet and understand why the numbers look the way they do.
In the classroom
Telstra is common in secondary-school and first-year university syllabi. It links to neighbouring topics Australian brands, Australian companies established in 1975, Australian streaming companies, so understanding it makes those chapters shorter.
In everyday life
Look for Telstra outside the textbook — in sport, cooking, traffic, electronics or the sky above you. An example you found yourself is remembered far longer than one you were given.

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How to study Telstra in 20 minutes

  1. Read the reference excerpt below once, without taking notes.
  2. Close the page and write down what Telstra means in your own words.
  3. Compare your version with the excerpt and mark what you missed.
  4. Work through the three examples above with pen and paper.
  5. Explain Telstra out loud to somebody else — or to Teacher Smith in the lgStudy chat.

Frequently asked questions

What is Telstra in simple terms?

Telstra Group Limited is an Australian telecommunications company that builds and operates telecommunications networks and markets related products and services. It is a member of the S&P/ASX 20 stock index, and is Australia's largest telecommunications company by market share.

Why does Telstra matter?

Because it connects several science ideas at once: it gives you a definition you can apply, a quantity you can calculate, and a way to check whether a result is plausible.

How should I study Telstra?

Read the excerpt, restate it from memory, then work through the examples and applications listed on this page. The five-step study plan above takes about twenty minutes.

What does this page cover?

It gives you a compact reference excerpt plus original lgStudy explanations, examples, applications and study material on Telstra.

Tags

  • Australian brands
  • Australian companies established in 1975
  • Australian streaming companies
  • Companies based in Melbourne
  • Companies in the S&P ASX 50
  • Companies listed on the Australian Securities Exchange
  • Former Commonwealth Government-owned companies of Australia
  • Mass media companies established in 1975
  • Mobile phone companies of Australia
  • Online content distribution
  • Online music stores of Australia
  • Retail service providers of Australia (Internet)

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