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  2. Optus - Wikipedia

    en.wikipedia.org/wiki/Optus

    Optus Mobile customers reported that their phones showed 'SOS' on the signal indicator, which is a sign the regular network is down, but mobile phones still have access to alternate networks in the event of an emergency call by using a so-called camping mechanism; however, Optus landlines were unable to make emergency triple-zero calls.

  3. Australia takes Singtel-owned Optus to court over 2022 cyber ...

    www.aol.com/news/australia-takes-singtel-owned...

    The Australian Communications and Media Authority is alleging that Optus Mobile failed to protect the confidentiality of personally identifiable information of its customers from unauthorised ...

  4. 4G connectivity in Australia - Wikipedia

    en.wikipedia.org/wiki/4G_connectivity_in_Australia

    4G connectivity in Australia. In telecommunications, 4G is the fourth generation of cell phone mobile communications standards. It is a successor to the third generation (3G) standards. A 4G system provides mobile "ultra-broadband" Internet access. [1] Major Australian telecommunications companies (colloquially known as "telcos"), and most ...

  5. Amaysim - Wikipedia

    en.wikipedia.org/wiki/Amaysim

    Optus (2021–present) Website. www.amaysim.com.au. Amaysim Australia Ltd. is an Australian provider of mobile phone plans. Amaysim operates as a mobile virtual network operator on the Optus mobile network, [1] and specialises in offering a range of SIM-only mobile plans. As of June 2024, Amaysim had over 1.5 million mobile subscribers.

  6. Singtel - Wikipedia

    en.wikipedia.org/wiki/Singtel

    The company is the largest mobile network operator in Singapore with 4.1 million subscribers and through subsidiaries, has a combined mobile subscriber base of 770 million customers as of 31 March 2022. [4][5][6][7] The company was known as Telecommunications Equipment until 1995. Singtel provides ISP, IPTV (Singtel TV) and mobile phone ...

  7. 2023 Optus outage - Wikipedia

    en.wikipedia.org/wiki/2023_Optus_outage

    The 2023 Optus outage was an unplanned outage of all Optus internet, cellular and fixed-line services in Australia first detected on 8 November 2023 at 04:05 AEDT. [2] The outage caused disruption across government and corporate sectors including hospitals, banks, train services, EFTPOS payment systems, and calls to emergency services .

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