IP电话,就是人们俗称的“网络电话”.其英文名称为Internet Protocol Phone一般称为VOIP(Voice OverIP).是一种利用因特网上广泛采用的分组交换方式来传递语言信息的技术.其服务领域主要是国际长途电话业务。IP电话可以在PC与PC之间进行,PC与电话机之间.电话机与电话机之间的IP电话语音通信业务也能够实现。IP电话应用还包括收发传真(实时和存储转发),在万维网上实现的IVR(交互式语音应答), IP phone is commonly known as “Internet phone.” Its English name is Internet Protocol Phone, which is commonly referred to as VOIP (Voice Over IP). It is a technology that uses the packet switching method widely used on the Internet to transmit language information. Mainly international long distance telephone service. IP telephony can be done between the PC and the PC, between the PC and the phone, and voice over IP telephony between the phone and the phone is also possible. IP telephony applications also include sending and receiving faxes (real-time and store-and-forward), IVR (Interactive Voice Response) implemented on the World Wide Web,