What SMS does Unicom card send when it opens traffic packets?

The contents and handling methods of China Unicom's provincial traffic package fees are different. It is suggested that you can contact the telephone number 100 10 for advice on how to handle traffic packets. For example, Shaanxi night traffic packages include 5 yuan 500MB, 20 yuan 10 RMB, 20 yuan 1gb, and 3GB in the province, which can be used first from 23: 00 to 8:00 the next day. The charges for using traffic outside the package, busy hours and outside the province are calculated at 0.0003 RMB /KB. You can send corresponding instructions to 100 10 to handle Shaanxi night traffic packet: 1. Send 709 1 500MB； for 5 yuan package; 2. Send 7 10 1 Handle 10 yuan Package1GB; ; 3. Send 711to handle the 20 yuan package of 3GB. , 2G and 3G users can apply for Shaanxi night traffic package, as follows: 1.2G package users need a traffic accessory product; 2. Wireless network card, data vice card, 3G user 20 yuan recharge card users can't handle it; 3. 2G users who have opened 3G provincial traffic packages (groups) cannot handle them; 4. Woxing card and 3G local telephone users can handle it.