主要介绍linphone的代码结构介绍，并且分析的相关的关键函数，附图，有助于整体了解linephone。-Introduces the structure introduced linphone code, and analysis related to key functions, drawings, to help the overall understanding of linephone.

基于安卓系统的网络电话语音及视频聊天，能够及时的通讯-voice and Video development for android，can make Instant messaging