Postal savings bank mobile banking, there is a short message service operation guide in the front-end function display? What kind of business is this?

Hello, it refers to a financial service mode in which banks handle inquiries for customers according to the short message instructions sent by customers through mobile phones. The customer sends a short message in a specific format to 95580 through editing, and the bank handles related business for the customer according to the customer's instructions, and informs the customer of the transaction result in the form of short message.