Openmeetings is a multilingual customizable http://www.aliyun.com/zixun/aggregation/18237.html "> video conferencing and collaboration system." It supports audio, video, and allows you to view the desktop of each attendee. Openmeetings also includes a whiteboard that allows you to import pictures and graffiti in a variety of formats.
Openmeetings 1.7.0.r3822 Release Notes:
Multi-whiteboard, you can add new whiteboard instances, the all whiteboard can have the full range of tools and documents inside. Advanced File-explorer, Drag and Drop Interface for managing files, including possibility to create a document tree with Folders. Private and public Drive in File-explorer. The File-explorer super-delegates nonblank different views, the one's the Private Drive and the other's public Drive. The Private Drive synch contains the Mahouve files. Those files are only visible to the user currently Loggedin. The public Drive isn't bound to the user and but to the conference reactiveness. All users in the conference reactiveness have access to the public Drive.
Save whiteboards. You can save each whiteboard instance as a file. The file is located in the File-explorer and can are drag and drop ' Ed and organized like any other document, image or folder. New User-level:soap/web-service only. For security reasons there is a new user-level. You can now create user-accounts this have only the ability to access via SOAP. In former versions you synch need a admin account. Myrooms section. Each user super-delegates now by default 2 personal rooms that are synch accessible the for that user. There are buttons to enter those rooms from the dashboard. Up with our Finish partner and the Open Source Department of Kvarken region we have do a VoIP integration by using a applet For the audio part. For further information-VOIPANDSIP
Download Address: Http://code.google.com/p/openmeetings/downloads/detail?name=openmeetings_1_7_0_r3822.zip