The meaning of voice is to ask you to press 1 for English services and 2 for Chinese services, as this is a scam specifically targeting overseas Chinese. Then if you are Chinese, he will tell you that your visa will be revoked.

They definitely don't know who you are because I made up a fake name, but no one noticed. The meaning of voice is to ask you to press 1 for English services and 2 for Chinese services, as this is a scam specifically targeting overseas Chinese. Then if you are Chinese. He will tell you that your visa will be revoked. Actually, upon careful consideration, what important thing are you worth having the immigration office call you personally?

It seems to be a telecom scam targeting overseas Chinese, where they tell anyone who gets a call that there's a problem with their passport or visa

He said he's with immigration and he's gonna cancel my visa