I called back the number (07) 5636 4705 and spoke with a lady that said I reached Techwell

They called me I answered, they must not have liked the sound of my voice as they said nothing paused for a moment and hung up. Very strange!

Called the number back after a missed call. Like others here was told I called techwell, a partner of Telstra who was calling to ensure my business is secure given the amount of cyber crime being committed recently. I don’t own or run a business. Probably B2B sales call

So annoying! They call and hang up so many times a day