How to deduct fees for replying to text messages sent by KC?

China Mobile charges SP communication fees, which are generally charged the same as in-network text messages. In some areas, SMS monthly subscription does not include SP.

You may also be charged information fees by KC. As for how to charge it, it depends on KC's conscience, because as soon as you reply to the mobile SMS system, it will send a fee inquiry to KC's system. As long as KC wants to charge you, You can't hide from it.