KPN has replaced 1,300 telephone exchanges with just 100 IP centres, and raised Euro 1 billion by selling property as it did so.
KPN仅仅用了100部IP中枢就取代了1,300门电话交换机，而且通过出售那些财产筹集了10亿欧元。
In the early 1970s, the majority of telephone exchanges were still electromechanical analog switches.
在70年代早期，大多数电话交换机还是机电模拟转换器。
This percentage is obtained by dividing the number of main lines connected to digital telephone exchanges by the total number of main lines.
这个百分比通过连接到数字电话交换机的主线数除以主线总数得到。
This percentage is obtained by dividing the number of main lines connected to digital telephone exchanges by the total number of main lines.
这个百分比通过连接到数字电话交换机的主线数除以主线总数得到。
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