随着电话日趋进入普通家庭,由电话引起的不快和烦恼也日趋增多。恶作剧、讨人生厌的喋喋不休、带有敲诈性质的威胁和恐吓……面对形形色色的电话骚扰,一些电话公司推出了“发话方电话号码通知服务”,生产厂家也开发出了各种电话新品,这些对遏制无休无止的电话骚扰,起到了十分有效的作用。 所谓“发话方电话号码通知服务”,是一种当对方打来电话时,受话方可通过电话线路知道发话人电话号码的服务。这样,在拎起电话听筒之前,用户即可根据显示在电话机上的号码,决定是否接听。1987 As telephones increasingly enter the ordinary home, unpleasantness and annoyance caused by telephones have also increased. Prank, annoying blabbering, with extortion threats and intimidation ...... Facing all kinds of telephone harassment, some telephone companies launched the “caller telephone number notification service”, the manufacturer has also developed a variety of new phones, These have played a very effective role in deterring endless telephone harassment. The so-called “caller phone number notification service” is a service whereby the callee can know the caller’s telephone number through the telephone line when the caller calls. In this way, before picking up the handset, the user can decide whether to answer or not according to the number displayed on the telephone. 1987