Why does peer-to-peer SMS cost money?

The main reasons for charging point-to-point SMS are as follows:

1. Point-to-point short messages need to be transmitted through the mobile network, which requires huge investment to maintain the network.

2. In order to maintain the normal operation of the network, users also need to pay when using the point-to-point SMS service.

3. Even if you don't send SMS, China Telecom's point-to-point SMS service will charge a certain fee according to the business rules.

Generally speaking, point-to-point SMS charges because it needs to be transmitted through the mobile network, and mobile network service providers need to invest a lot of money to maintain the network, and users also need to pay to maintain the normal operation of the network.