new JingleTransportProvider.Ice());
backend.addExtensionHandler("http://jabber.org/protocol/jingle/transport/raw-udp",
new JingleTransportProvider.RawUdp());
backend.addExtensionHandler("http://jabber.org/protocol/jingle/info/audio",
new JingleContentInfoProvider.Audio());
backend.addExtensionHandler("http://www.jivesoftware.com/protocol/rtpbridge", new Provider());
backend.addExtensionHandler("google:jingleinfo", new STUN.Provider());
backend.addCapability("jingle","http://www.xmpp.org/extensions/xep-0166.html#ns");
backend.addListener(IQResultListener.class,new IQResultListener(){