配置网络协议和代理服务器设置。

Configure network protocols and proxy Settings.

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对于这些选项，向下翻滚代理服务器设置页面，知道发现名为Proxy Plugin Configuration Policy的区段(如图18所示)。

For these options, scroll down through the proxy server Settings page until you reach the section called proxy Plugin Configuration Policy (Figure 18).

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设置了用户代理服务器地址后，下一个主要步骤是创建进行电话呼叫的功能。

The next major step is to create the function that makes the phone call once the user agent server addresses have been set.

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