I missed the call, so I called back. The person somehow knew my name and claimed to be a long-lost friend. He said he had a new number and told me to save it. I asked, "Who are you?" but he refused to reveal his identity and replied, "Aiyo, you don't know me? Can't you tell who I am from my voice?" in a heavy Malaysian accent. I immediately hung up as it was clearly a ruse. Please do not fall for this! The number looked like a normal mobile phone number, which is why I called back.