Definitely a household as there was a TV on in the background, to putrid to speak.

Probably scam. Calls at odd hours and doesn’t leave a message.

Caller: Don't encourage these people

Number calls repeatedly. Shift workers and households caring for dementia suffers don;t need your intrusions. You may not have to respect the Do Not Call register but for Christ's sake take that as a hint that those people do not want your calls disturbing them.

Caller: (02) 5642 2023

Scammer

Hangs up a few seconds after you answer.

My phone flags it as suspect spam / robocaller.

Caller: Unknown

Annoying call during the evening - did not answer

Scam call