Recorded message : from NBN push 1 to stop being disconnected from Telstra service. Scam.
If you press 1, a scammer will pick up the phone and ask you for money or personal information that you should not disclose to anyone. According to the FTC, there have been more than 70,000 reports about this scam in the first 6 months of 2019, with $17 million in reported losses.