I want to ask a question. Have you ever met someone you don't know calling to ask if you want to buy a shop?

My situation is almost the same as yours! And it only rings once and it's gone! I think your card has been used by others before! I have met several people who speak a dialect! It can be seen that the person of this code has changed, and then why does anyone call? Maybe it's a friend of the person who used it before, or something he registered before is used to make a phone call! Don't reveal his personal information. So don't worry. Strangers had better not answer! Some cheat money. I hope I can help you.