How does Unicom send SMS to check the business?

If you want to inquire about the value-added services with opened numbers, you can use the following methods: 1. Log in to the online business hall/home page, and click phone bill inquiry > other inquiry > business handling record; 2. Log in to the mobile phone business hall client, and click Service > Query > Usage Query > Business Acceptance Record; 3. The editable short message "YDYWCX" is sent to 100 10, and the corresponding code is replied according to the short message menu prompt; In addition to the above methods, you can also consult the local manual customer service or business hall for inquiries.