With the introduction of the Intelligent Network architecture, service functionality (e.g. UK translation of 0800 non-geographic telephone numbers) is being removed from the actual telephone exchange and devolved out into other computer nodes.
随着智能网架构的引入，业务功能（例如英国对800非地理区域电话号码的翻译）就逐步被从实际的电话交换机中移除，转交到其他的计算机节点中。