Also, many of the IP telephony vendors are now focused on SIP as the control protocol for their IP telephony deployments.

另外，许多IP电话技术供应商现在都把SIP作为IP电话技术部署的控制协议。

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And the successful development and application of IP telephony foreshow the appearance of the new information network basing on IP.

IP网络电话的成功开发和应用预示了以IP为基础的新一代信息网络的出现。

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Although current IP telephony has reached the general application level, its problems and defects are blocking IP telephony's application in larger ex - tent and scope.

尽管现有IP电话已经能够达到一般的应用级水平，但其现存的问题和缺陷阻碍着IP电话在更大程度和范围内的应用。

youdao

The product can also be used in IP telephony devices and cable modems, the company said.

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But among investors and vendors of emerging technologies such as IP telephony, expect a very different reaction--and concern about the future.

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Emerging data services like IP telephony are also starting to gain traction.

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