【摘要】 IP电话给我们提供了这样一个机会，设计一个或许可以取代现有电信网络的全球范围的多媒体通信网 .介绍了 IP电话的原理及相关标准，分析了 IP电话迅猛发展的原因，并对其未来的发展进行了综述 .更多还原

【Abstract】 Internet telephony offers the opportunity to design a global multimedia system that may eventually replace the existing telephony infrastructure. In this paper the IP Phone principle and related recommendations have been discussed, and the reason of IP Phone rapid development has been analyzed. This paper also presents an perspective of IP Phone.更多还原