Pretty sure it's spam.

Caller: Potential Fraud

Phone blocked the number as potential fraud

Caller: who knows

I have been getting so many calls from 03 numbers, then I block them then they call from another 03 number. they never ever leave messages which makes me think they are totally\ scammers. don't answer if they call you. they are absolutes pests !!!

could you please Block this number (03) 8001 8358 they rang on wednesday night on 29/9/21 and they rang at 7.25pm and when we go to answer the call the decided to hang up

Keep hanging up when I answer the phone. Multiple calls.

Missed call. No message. Now blocked.