Correspondence For The Timeframe 18 September 2025 To 20 September 2025 Between The Department And The Office Of The Minister For Communications That Mention The Optus Outage On 18 September 2025.

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In September 2025, the Department of Infrastructure, Transport, Regional Development, Communications and the Arts prepared talking points for the Minister for Communications following an Optus outage on 18 September that disrupted Triple Zero emergency calls. Internal correspondence between departmental leadership and the Minister's office shows the Department acknowledged that telecommunications carriers have regulatory obligations to maintain Triple Zero services, confirmed the Australian Communications and Media Authority (ACMA) would investigate as the regulator, and indicated the Department would conduct its own review to identify lessons for the Triple Zero ecosystem. The talking points emphasised that no Triple Zero outage is acceptable, prepared ahead of expected public statements from Optus and media inquiries.