Mobile phones always receive pornographic short messages from abroad.

You can open the SMS filtering service host.

SMS filtering service mainly aims at spam or malicious SMS harassment and provides users with filtering means. After subscribing to this service, users can set the filtering conditions of short messages by number, time period and keywords, and the short messages that meet the filtering conditions will be automatically filtered out by the system. In this way, users can reject spam messages and avoid malicious harassment. Suitable for mobile users of China Telecom. Mobile phone terminal: In order to ensure the basic functions of the service, the mobile phone terminal must support SMS. For a better user experience, mobile phones are recommended to support SMS and WAP Internet access. Description of filtering range: Non-point-to-point SMS cannot be blocked. Priority: The priority order of the four filtering conditions of SMS filtering service is: time period filtering, blacklist or whitelist, and keywords. The same number cannot be whitelisted and blacklisted at the same time. Monthly fee: free of charge. Application method: You can apply through online business hall, handheld business hall, SMS business hall and business hall. Effective description: application: the product will take effect immediately after the application is completed in the current month. Cancel: cancel the application in the current month, and the product will expire on 1 next month.