What do you mean by SMS prompt and detailed list inquiry?

Check the details of all consumption expenses of the mobile phone card for one month for free. Short message list is an inquiry service provided by telecom operators, and it is also one of the content list services. SMS prompt list query refers to the detailed list of all the consumption expenses of mobile phone cards that can be queried once a month for free, including the information such as the mobile phone number, service logo, consumption time and consumption amount that can be collected for free.