VOIP is the abbreviation of Voice communication Over IP net. It refers to not merely the IP Phone, but also a comprehensive application platform that provides various multimedia operations including video exchange.

• VOIP即基于IP网络的语音通信，它不仅是狭义上的IP电话，更是一个能提供包括视频交互在内各种多媒体业务的综合性应用平台。