What business should I do to filter spam messages?

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. Customer service 34 will answer your questions. Broadband on demand, fast thinking. The official account of China Telecom's Guizhou customer service WeChat can directly handle the keyword "Broadband on demand", which is convenient and fast.