What does it mean to intercept advertising messages at this number?

Set the interception function on the mobile phone communication equipment to intercept the advertisement short message of a specific number.

This is a common anti-harassment function, which can help users avoid receiving unnecessary advertising messages. When you choose to intercept the advertisement message of this number, the device will recognize the number, and automatically classify the message it sends as an advertisement message, so that it will no longer be displayed in the inbox, which is helpful to reduce the interference of spam messages and keep the inbox clean.