What is mobile service port 20830000? What kind of business is this?

I'm very sorry, I can't help you. This question is really too difficult for Baidu to answer. I have to copy and paste it. I wanted to answer the question seriously, but now it's too hard for you. I'm so tired. Don't blame me. Few people will spend too much time on it. As for whether it is the answer or not, I will copy and paste it. The more you fight, the more annoying you get. What should I do if I encounter setbacks? Just complain and finish today's task. I don't know how many words to say. After typing so many words, there should be no problem. This is the answer. Hands are tired, hearts are tired, and everyone is tired. That's it. I call it composition. Divide it quickly.