How do mobile phone users send short messages with traffic?

Tariff standard 1, new gprs package tariff ◆gprs function: GSM standard tariff: 0 yuan/day, 1 yuan /mb, 500 yuan/month capped; The M-Zone Day Package is 1 yuan/day, and the excess of Shenzhou Day Package is 1 yuan /mb, and the traffic is not capped. ◆gprs monthly package: 5 yuan/month, including 30mb traffic; 10 yuan/month, including 70mb flow; 20 yuan/month, including 150mb flow; 50 yuan/month, including 500mb traffic; 100 yuan/month, including 2g traffic; 200 yuan/month, including 5g traffic. When the GPRS traffic cost reaches the peak in 500 yuan in the current month, the customers who handle the above packages will not charge until the GPRS traffic reaches 15G. After the traffic reaches 15G, the customer's GPRS function will be suspended in the current month, and the customer's GPRS function will be restored in the next month or the next dynamic month, and the package will remain unchanged. SMS activation: Send a short message KTGPRS 5/10/20/50/100 (corresponding number) to 10086, which will take effect within 24 hours after the first activation, and the change or cancellation of the package will take effect next month.