Describe the impact of applications (Voice Over IP and Video Over IP) on a network.
描述基于网络的应用程序(IP音频和IP视频)的效果。
SIP is currently the basic signaling and call setup protocol for IP telephony, and SIP applications are the basic way to provide voice and other multimedia services over IP.
SIP是当前IP电话的会话建立和信令控制的基础协议，SIP应用也是实现基于IP网络的语音等多种多媒体应用的基本途径。
VoIP( Voice over IP), i. e. IP phone, tries to digitalize voice, compress and transmit it through IP networks.
即IP电话，是将话音编码、压缩转换成数据包，在IP网络中进行传输的技术。
SIP Trunk is a logical connection between an IP PBX and a Service Provider's application servers that allows voice over IP traffic to be exchanged between the two.
一个SIP中继是一个IPPBX和服务提供商的应用服务器，使语音的逻辑联系IP流量将两者之间的交换。
VoIP (Voice over IP) is a technology that sends packet voice data over IP networks.
是指以分组的形式在基于IP协议的网络上传送语音数据的技术。
VoIP (Voice over IP) is a technology that sends packet voice data over IP networks.
是指以分组的形式在基于IP协议的网络上传送语音数据的技术。
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