Does Yinsheng Communication charge by phone bill or call duration?

Yinsheng communication is charged according to the phone bill. Generally, the fee is deducted once a month. Yinsheng Communication is a product of Yinsheng Group. Yinsheng Communication is an app with mpos card swiping, electronic wallet and convenience service as its core functions, covering all aspects of users' daily consumption, such as credit card swiping, transfer and online payment. Yinsheng Communication is a paid app, and the monthly fee will be deducted directly from the phone bill.