微机与程控交换机实现远程多门电话实时计费

The Real-time Calculable System among Long-range Telephone on Computer and Exchange

系统地论述了利用DMS10 0 /2 0 0程控交换机的功能端子itopsdev ,在微机上实现远程多门电话实时计费的方法 .并给出串行通讯中断驱动方式下利用汇编语言、C语言实现该系统的具体算法和框图 .

The article scientifically discuss how to use the function export which is ITOPSDEV on DMS100/200 exchange machinery,get the method about the Real-time calculable system among long-range telephone. And then discuss what to use assembly programming language and C programming language,to achieve the system's arithmetic and frame on interrupted serial communication.At last this article summarize how to use the multi-language to devise the programming method on interrupted serial communication.