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Singtel Optus Pty Limited is a major Australian telecommunications company headquartered in Macquarie Park, Sydney. Optus is the second-largest telecommunications company in …

Dec 18, 2025 · An inquiry into Optus's emergency services telephone number outage in Australia, which resulted in two deaths, revealed a series of failures during a firewall upgrade that left …

Nov 13, 2025 · Optus, a subsidiary of Singapore’s telecom giant Singtel, offers a variety of mobile plans with generous data at affordable prices.

Singtel Optus Pty Limited is a major Australian telecommunications company headquartered in Macquarie Park, Sydney. Optus is the second-largest telecommunicatio...

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