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Does ejabberd support audio/video calls?

My server is running Ubuntu and I have installed ejabberd as one of the famous xmpp servers in order to organize chatting system. Ejabbered is working fine with text messages, but I would like to know ...
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2answers
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System architecture of Cam Chat Websites (tinychat, omegle, cam4)

Do anybody know what kind of system architecture is behind Websites like tinychat, omegle, cam4, chatroulette? And how much bandwith is needed per connection? If I'm not wrong they use some video ...