Started the call as being about Neighbourhood Watch, then got very evasive when I asked where he got the number. When I asked who he represented, he mentioned an energy company. Got argumentative when I said that I'm on the Do Not Call register.
Sounds very scammy to me.

Scam, scam , scam. Been going for many years. Talks about helping poor kids through police organisation.

scam after details for false billing to police magazine

Some Louis from Melbourne without any website or email asking for donations for being neighborhood watch publisher.
Be aware

Called claiming to be from the Federal Police and wanting to speak to the business owner.

Scam caller claiming to be Australian Federal Police looking for donations in the way of advertising.

Stated asking AFP donations

Scammer asking for advertising in support of women police