What SMS does Unicom send when it opens a traffic packet?

At present, there are many kinds of traffic products provided by Unicom, and the processing methods of various traffic packets will be different. For example, 3G domestic traffic package is 300MB in 20 yuan, and eligible numbers can apply for 300MB domestic traffic package in 20 yuan every month. Edit the short message "LJKT3GLL30" and send it to 100 10, with immediate effect. After using the excess traffic packet, it will be charged at 0.0003 yuan /KB, and charged in the current month. Due to the differences of business policies in different cities, the actual handling situation is subject to the local business policies. For details of local traffic products, it is recommended to contact Unicom customer service.