When such requests are being routed to a further system (or systems) there will be a requirement to correlate any response messages to the original request.

将此类请求路由到其他系统时，需要将任何响应消息与原始请求相关。

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Behind this interface, requests are routed to the existing systems.

在这个接口中，请求将被路由到现有系统。

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Some FMC systems, for example, allow calls from mobile phones to be routed through a company's central switchboard. This makes outgoing calls, particularly international ones, much cheaper.

固定-移动电话系统可以让移动电话通话经由公司内部的中央电话交换机来连接，这样可以大大减少打电话的支出，尤其是国际电话。

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Calls and messages can be routed through the Internet, or on commercial systems, depending on a user's preference.

FORBES: Magazine Article