I called back number 0409 216 228 rang once then gets disconnected automatically.

indian woman called my mobile and used my first name - asking me about solar panels and if I had them, said she was from 'green services' or something.

busy call centre noise in the background could barely understand her accent.

probably a scam

SPAM

Caller: Solar Panel Rebate

Spam caller - Solar Panel Rebate

Caller: Scammers

Scam!

Answered and they hung up

Rang back from my silent landline and said number was not connected.

Answered promptly and introduced myself then caller disconnected

Pick up the phone then signal disconnected

Also called back. Phone is disconnected when you call. Potential Spam.