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引用本文：

林宇,$2.IP电话系统语音终端的设计及实现[J].电讯技术，2000，40（6）：40 - 45. [点击复制]
.Design and Implementation of the Voice Terminal of the IP Phone System[J].，2000，40（6）：40 - 45. [点击复制]

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IP电话系统语音终端的设计及实现

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摘要:

以开发ＩＰ电话系统为背景，论述了语音终端及其具有实现方法，包括了对语音的实时采样、播放、自适应压缩和解压、在网络的实时传输等关键技术。同时对ＲＡＤｖｉｓｉｏｎＨ．３２３Ｓｔａｃｋ进行了一定的技术讨论，并对该系统今后的升级提出建议。

关键词: Internet IP电话语音终端

DOI：10.3969/j.issn.1001-893X.

基金项目:

Design and Implementation of the Voice Terminal of the IP Phone System

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Abstract:

As a part of the IP Phone System, a new solution for the design and realization of the Voice Terminal including three core technologies as the real-time collecting and playing, self-adaptive encoding and decoding, and the real-time transporting over the IP network for the audio signals is presented. The technologies about the RADvision H.323 Stack are also described and some advice on the system upgrade for the future is given.

Key words: IP phone, voice terminal, self-adaptive encoding and decoding, real-time transport