They will not take no for an answer, will keep trying to sell to you, keep pushing. I have blocked the number. I consider this a scam as they want you to sign-up to their product (at a cost to you) and are one of the pushiest sales people I've come across ( you can say no not interested 15+ times and they will keep going). Best to hang-up unless you already know you want to use their product.

scam

I asked why they were calling as I was on the do not call register. He apologised but then said he wouldn't have called if the opportunity wasn't so good. I then hung up and blocked the number.

Bad people

I called back number (02) 8317 1137 rang once then gets disconnected automatically.