Caller pretends to be your friend. Refuses to say his name when you ask him. Insists that you guess his name. Says how can you not recognise his voice as he always hangs out with you. Assumes the identity of your friend once you guess a name.
spoke mandarin, couldn't follow what he said but did hear him use a couple of insults using the Chinese phrase "ni de bi" when I asked him to speak English.
Claim to be a trader to offer advice and to check their website. Knows my name as well which is suspicious and does not let you check the website on your own. Will give it to you only if you are at the computer which seems all the more suspicious