Caller: Infinity (Electricity Comparison Service)

Not good at being told "no thanks" politely. Seems they like to talk for a while and tell you all the good they've done for previous customers.
I'll never be sold on anything by someone who talks over me. But they all do it.

spam

I called back number (03) 8001 7242 spoke to a guy but did not understand him properly when he said the company name.

Caller: Indian accent, could not understand his name

Some type of energy provider wanting to let me know about some great deal. Just said not interested and hung up

spam call offering energy discounts.