话务量统计的自动实现

Automtic Realization of Statistics of the Phone Traffic

研制了一种以８０３１单片机为主体构成的小型话务量统计仪，可以同时监测１６路电话分机的工作情况，统计出每门话机呼入、呼出话务量；长途及市内电话的通话次数；按规定应配话机数目以及有关的参数。检测结果由打印机以报表型式输出。

Develops a small sized instrument based on 8031 one chip microcomputer for statistics ofthe phone traffic. The conditions of 16 telephones can be monitored at the same time. It can givethe phone trafrics for cailing in and out;the times for long-distance caills and local station calls;the numbers of teicphone which should be matched and other parameters.The results are given byprinter.