The reason for not answering the phone

Put their phone directly on the blacklist, and every time you call, it will remind you that the number you dialed is busy or out of service. If you don't want to be blacklisted and can't get through to the other party's phone, your short message will inform you of missed calls. There are many ways that the above two methods are enough, and they are all beautiful. I am an ugly girl. Nobody called me.