Telecom has short messages and packages. It's more advantageous to send text messages, right?

"SMS Package" is a SMS discount package for Tianyi mobile users. The package is divided into three levels. 5 yuan contains 100 domestic short messages every month, and 10 yuan contains 200 domestic short messages every month, including 400 domestic short messages. It is suitable for Tianyi mobile users (including secondary card users) and can be handled through SMS business hall. For more service benefits, please click on "official website" customer service 324 below to answer your questions.