How does the computer send messages directly to that person's mobile phone in the form of short messages? That man is a super button.

The computer can't send short messages, but you can see his binding number in his profile and send him short messages with your mobile phone. Also, if you are a mobile user, you can try Fetion, and the mobile company will send it to him by SMS, but the other party doesn't have Fetion service, so you need to know the number.