寻呼系统的工作原理是:发方通过电话将简信直接发给寻呼系统,也可通过话务员转发给寻呼系统。寻呼系统收到发方简信后,立即向该系统覆盖区播放,每条简信的内容包括被叫用户的号码以及有关消息或短语等。寻呼机只能收不能发,接收的消息可以是:音响、电话号码或一条短语,只有和被叫号码一致的寻呼机才能接收到发方的消息。 由于无线寻呼系统具有结构简单、使用方便、投资少、见效快、功能齐全,并具有缓和目前市话紧张状况等特点。虽然我国发展寻呼业务较晚,但近年来的增长速度 The working principle of the paging system is that the sender sends the simple message to the paging system directly by telephone or can be forwarded to the paging system by the operator. After receiving the sender’s text message, the paging system plays the coverage area of ​​the system immediately. The content of each text message includes the number of the called user and related messages or phrases. The pager can only receive and can not send, the received message can be: audio, telephone number or a phrase, and only the pager with the called number can receive the sender’s message. As the wireless paging system has a simple structure, easy to use, less investment, quick, full-featured, and with ease the current local tensions and other characteristics. Although China’s development of paging business late, but in recent years the growth rate