Charge for mobile phone spam messages

I'll teach you a way. Call 10086 to tell them what you said, reasons and requirements, and tell them that if they can't give you a satisfactory answer within the prescribed time limit, they can appeal to the Executive Board (12300), the Consumers Association and the court through three channels.

If I guess correctly, you will get a call from that SP within 1 day. Tell them what they said above, don't listen to their explanation. Remember to be tough and get things done. I wish you success!