介绍了如何运用IP电话网络来节省国际，国内长途通信费用。

Application of IP phone net is introduced to save national and international long-distance fees.

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费用可以是一种许可费、通信费或服务费。

The tax may be a license fee, communication or service tax.

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一般通信所必需的及合理的费用是有所补偿的。

Necessary and reasonable expenses for telephone calls, fax transmissions, and Internet access are reimbursable.

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一般通信所必需的及合理的费用是有所补偿的。

Necessary and reasonable expenses for telephone calls, fax transmissions, and Internet access are reimbursable.

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