拨号点也称可寻址的呼叫端点，是电话网络中产生或接收电话的设备。
A dial peer, also known as an addressable call endpoint, is a device that can originate or receive a call in a telephone network.
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 function of gateways is to connect IP network and traditional phone system, and provide multi-call signaling exchanging and the conversion of voice formats.
用来支持呼叫的电话网络。
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