With 300 cards you can use any double audio-frequency phone to make a local call, a long-distance call or an international call in most of the native cities.

你可以用300卡在全国大部分城市通过任意一部双音频话机，拨打本地、国内和 国际电话。

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If you want to make a long-distance call or an international call, you have to ask for the service of the operator, Just press.

如果您想打长途电话或国际电话，您得请总机帮忙。按0即可。

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