电话服务器 meaning in English

hanphone server
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With voip based on sip as the main research subject , this paper discusses the relevant protocols , standard and key technology of ip telephony , analyzes this ip telephony protocol , designs a set of telephone service system based on voip , including system analysis , system design and system realization , and finally tests this software to achieve the expected goal
本文以基于sip协议的voip作为主要研究内容,探讨了ip电话的相关协议、相关标准和关键技术,对sip这种比较新的ip电话协议进行了研究分析,设计出一套基于sip协议的voip电话服务器系统,包括系统分析、系统设计、系统实现,最后对该软件进行了测试,使该软件的开发达到了预期的目的。