When some mobile devices need to get a lot of resources from the Internet, they must be configured a unique IP address, and maintain communications with the corresponding nodes through the gateway.

当移动设备访问互联网海量资源时，它们必须配置唯一的IP地址，才通过网关与对应节点通信。

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Just last week on the World Service radio show Go Digital, we interviewed Christian Ogoo from Datatel GSM, and Peter Bedimer from Gateway Communications, who are both involved in launch of a new mobile phone service in Sierra Leone.

BBC: Laptop with 3G card