Joke Collection Website - Public benefit messages - How does Unicom send SMS to inquire about the services that Tencent has opened?

How does Unicom send SMS to inquire about the services that Tencent has opened?

Inquiry method for value-added services with opened numbers: 1. Log in to the online business hall/homepage, and click the phone bill query >; Other queries > business processing records; 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.