What does it mean to intercept SMS intelligently?

Intelligent interception of mobile phone short messages refers to the interception of some illegal programs or calls by the software that comes with or is downloaded by the mobile phone. Generally, there are the following points:

1, Sao Ran telephone interception, generally refers to the telephone number hacked or reported by many people.

2, Sao Ran SMS interception, generally refers to advertising spam messages, as well as virus messages.

3. These functions can be modified in the mobile phone or downloaded software.