I get the same number and send boring text messages every day. How can I blacklist him?

Short message filtering service mainly aims at the harassment of spam messages or malicious messages, and provides filtering means for users. 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. At the time of listing, the product is effective for a long time. Applicable customers are suitable for mobile users of China Telecom. Service Description In order to ensure the basic functions of the service, the mobile phone terminal must support short messages. For better user experience, it is suggested that mobile phones support SMS and WAP Internet access. Filtering range means that non-peer messages cannot be blocked. Priority Order 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. The monthly fee is free. The SMS sent to 10659 190 is charged according to the normal SMS communication fee. Application channels can be handled through online business hall, handheld business hall, SMS business hall and business hall. Application Guide SMS Hall Application Guide Service Name Service Type SMS Instruction Send to Number Description SMS Filtering Service Introduction JSDXGL 1000 1 Case-insensitive Enable KTDXGL Cancel QXDXGL View for more service offers. Click on "official website" Customer Service 2 19 below to answer your questions.