Called a couple of times. Didn’t answer.

Definitely spam. I didn’t answer but they inadvertently left the line open when it went to voicemail. The msg left was a gaggle of many, many background voices. So it’s call centre making unsolicited calls.

Spam

Mater Lottery

Same, repeated calls. No idea who it is. I just don't answer it and have now blocked it

Unsolicited call