This may mean the destination system interface is offline or there a network problem prevents connection.

这可能意味着目标系统接口已脱机或存在网络问题而不能连接。

youdao

This may mean the mediator is offline or a network problem prevents connection.

这可能意味着中介已脱机或存在网络问题而不能连接。

youdao

A timeout can result from a server crash, network problem, or a problem on a client computer.

当服务器崩溃，出现网络问题或客户端计算机出现问题的时候会产生超时。

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Hania said, however, it is more likely that a network error or system failure caused the problem.

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The problem for the network operator (or airtime provider, whichever you prefer) is that they have to provide a subsidy to the consumer in order to get them using an iPhone.

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In an Ofcom survey 78% of those using net phone services which cannot connect to the emergency services thought that such a call was already possible on that network or were unaware that there might be a problem.

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