I called back number 0488 805 628 spoke to a guy who said company name is Sumo Power.

Called - Hung Up - Added to block list.

Power company

First Call - Power company offering cheaper services.

persistant unwanted call across days ....

Caller: First Call

They called me and I convinced the nice lady to bet $50 that she couldn't beat my current electricity deal. She lost, but I didn't force her to pay up - even though she seemed to be genuinely ready to pay up :D

hung up when I answered. nuisance.

rang, then hung up. scam

Bloody nuisance

Spam

Called, hung up.

Caller: twats

rang / hung up when i answered / welcome to my every growing blocked number list

Offering discount on electricity.
Blocked these pests.

spam c*nts

Savings on electricity bill

There was no response. Just kept silent.

another energy power company spamming to get you to switch, even when you say you aren't interested. and they ask for you by name.

missed call from 0488 805 628. called back and just heard heavy breathing

From an ‘electricity’ company.