Asian speaking from some call centre

Caller: Said Telstra

Indian bloke says he is Kevin from Telstra.
I said "You are not from Telstra"
He says "Oh, how can you say that?" as if he was offended.
Me: "Because I say it like this: You. Are. Not. From. Telstra. That's how I can say it.
Kevin: "But how can you KNOW that?"
Me "Because I can do this: Eff off" beeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeeep

Caller: Asian scammers

Unsolicited nuisance call from same
Number daily. They leave voice mail on
Asian. Blocked.

Asian speaking from some call centre trying to sell something, hard to understand.

Asian call center asking if this was my business "xxx". I told them "no, its a personal mobile" - she then hung up.

Had someone else's company name

Overseas call center selling something

Caller: scam call

Computer recorded message seems speaking Chinese saying transferring your call, hang up and blocked