The requester submits a request to the Service Provider, who queues up the message and returns a correlation ID that the Requester can use later to check on the status of the request.

请求者向服务提供者发出一个请求，服务提供者将请求消息放入队列并返回一个相关的 ID 。 请求提供者可以根据此 ID 在以后的时间里检查消息的状态。

youdao

Welcome to check on-line message status. Please enter your User ID and Password, then click "Login" to proceed.

欢迎查询。请输入用户编号和密码，然后按「登入」。

youdao

It also has a clever little display screen on the top of the unit for displaying caller ID information, the time of day, battery status and message alerts.

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