...The server can be used to allow two SIP video endpoints to communicate together as well as host up to eight video endpoints in a unified conference.
WebRTC is supported as a video chat client. Standard SIP video phones are supported, the likes of X-Lite, Bria, Vippie, Linphone, etc.
OpenVCX is a Java based SIP service based on the Mobicents JAIN-SIP framework. The Java component relies relies on NGMS (Nex Gen Media Server http://ngmsvid.com/ngms.php ) to handle media processing tasks.