Intelligent identification of harassing numbers, proactive interception based on harassment type, and user-defined blacklist interception. When an iPhone user receives an unknown call, 360 Mobile Guard can proactively identify the type of call (harassment, suspected fraud, advertising promotion, insurance financing, etc.), and the user can choose to reject the call; iPhone users can also turn on call interception and select the types that need to be intercepted , harassing calls cannot be made to iPhone users’ mobile phones.