Jitsi is an audio/video and chat communicator that supports protocols such as SIP, XMPP/Jabber, IRC and many other useful features.
翻译 - Jitsi是一种音频/视频和聊天通信器，支持诸如SIP，XMPP / Jabber，AIM / ICQ，IRC和许多其他有用功能的协议。
