This paper introduces briefly the concept and software architecture of VOIP and mainly analyses transmission of packets and solutions of network problems.
本文简要介绍了VOIP的基本概念和软件结构，重点分析了VOIP的分组传输过程，并对VOIP通信中的网络问题及解决方法进行了探讨。
And then design a common core layer, convergence layer and access layer of the three-tier network architecture model, while applications for network scalability give some solutions.
然后设计了常用的核心层、汇聚层和接入层组成的三层网络架构模型，同时对于网络应用的可扩展性给出一些解决方案。
And then design a common core layer, convergence layer and access layer of the three-tier network architecture model, while applications for network scalability give some solutions.
然后设计了常用的核心层、汇聚层和接入层组成的三层网络架构模型，同时对于网络应用的可扩展性给出一些解决方案。
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