dud - do not answer & block them.

Hung up as soon as answered

Indian scammers with a phony Geelong telephone number wanting answers to a survey about solar panels - refused to give details about the company for which they were conducting the survey.

scam call don't answer.

Caller: Solar panels

Solar rebate bla bla. Geelong landline number.

Caller: Scum

They call and hang up. They do this so their employers can see that they’re making calls.

Solar Panels from a call centre