电话计费管理系统,小交换机上的小软件,大家可以了解一下-telephone billing management system, a small switch on the small software, we can find out

多线程串口接受程序,通过异步接受处理程序能对大数据量传输的串口,比如大型电信交换机计费系统,进行快速稳定的处理.-multithread serial acceptable procedure for the adoption of asynchronous processing procedures would be acceptable to the large volume of data transmission in serial, For example, major telecom

application for billing system call PBX

西门子程控交换机电话计费系西门子程控交换机电话计费-Siemens PBX telephone billing system Siemens PBX telephone billing