Got call but didn't answer as it looks like a 'scam' number. Checked here which confirmed it.

Indian speaking saying from NBN, Has advised me that my modem is emitting wrong signal and slowing down my NBN connection. I ask him which account as I have one for home and one for business premises. He did not want to confirm as he said this call is recorded and cannot give me the information. I said I will hang up the call as you sound suspicious and he got aggressive. Definitely a scam call....

Indian bloke. Told me technician will come around Friday to upgrade fibre line to internet. Gave me some numbers that I needed for technician. Then he wanted me to check computer. Told him didn’t have one. So he hangs up. Know it was a scam call.

Indian caller, saying that calling from Telstra. Once I said I was not with Telstra, he said its because all internet companies are under Telstra. Definitely scam. Blocked number

Caller: Unknown - unfamiliar interstate number so did not answer.

Likely a scam call. Listed as from South Australia but more likely a spoofed number used by an Indian call centre. Blocked and tagged.

Recorded message saying that my Amazon membership was due and that they were going to debit $99. If I pressed 1 I could talk to someone to cancel my membership. Too bad I don’t have a membership. Definitely a scam

Caller ID says it’s from Adelaide.
I didn’t pick up.
No voice message left.
Looked up number on this site - looks like at least 2 other people think this might be a scam number.
Blocked number.

Indian caller mentioned the 'recent deregulation of Australian Electricity market', and asked for name of my current electricity supplier. I hung up. Possible scam.