The main function of gateways is to connect IP network and traditional phone system, and provide multi-call signaling exchanging and the conversion of voice formats.
IP电话网关主要功能为连接传统电话网与IP网络，完成多路呼叫的信令协议和语音格式的转换。
The main problems of voice short message recognition are: the construction of mobile phone speech database, recognition system development, confidence measures of recognition results.
短信语音识别要解决的主要问题有：手机语音库的建设，识别系统开发，识别结果置信度评价等。
The said network phone system includes a configuration server of network phone, network phone equipment and a main control desk.
该方法涉及 的网络电话系统包括一网络电话配置服务器、一网络电话设备以及一 主控台。
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