How does Apple's mobile phone intercept overseas short messages starting with 00?

The steps for Apple's mobile phone to intercept short messages starting from overseas 00 are as follows:

1. Open the information application.

2. Click the "Edit" button in the upper left corner to enter the editing mode.

3. Select the message you want to block, and then click the trash can icon.

4. Click the "Create New Contact" option.

5. Enter "Invalid Number" or other required names, and set the number to "+00" or the area code of other overseas countries or regions.

6. Click the Finish button.