The other key guideline of the IP telephone system is good voice quality. It requires a series of effective quality assure measure.
IP电话系统的另一个关键指标就是能够提供较好的话音质量,这要求有一套行之有效的质量保证措施。
The ITU-T has established the H. 323 protocol to build the media conference system, and which is widely applied in the operation of IP telephone operation.
已经为建立多媒体会议系统制定了H。 323建议,并且己经在IP电话业务中得到广泛的应用。
This voice compression and network transmission system is to address the shortcomings of existing IP telephone and to achieving the secession of PC.
本文所实现的数字语音压缩及网络传输系统就是为解决现有IP电话的这一弊端、实现IP电话与PC机的脱离而设计的。
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