How to reply to system SMS interception

System SMS interception can try to reply "0000" to block the SMS port.

System short message: that is, industry short message, which is usually the content of short message received after the user takes the initiative to trigger or has a clear sending target. The content is generally short messages without verification code information, alarm notification and other marketing words. The most important thing is to help businesses send messages to a member alone and communicate with members quickly and efficiently.