ˈcall ˌscreening noun [uncountableU] 1. a special service that you can buy from your telephone company which prevents particular people from calling you 〔电话公司提供的〕来电过滤服务,来电限制服务
2. when you let an answering machine answer your telephone calls, and you then only talk to callers that you want to speak to 〔通过使用电话答录机进行的〕来电筛选