| http://www.w3.org/ns/prov#value | - Also, remember that some there are a number of expressions that we recommend avoiding. '''Jitsi (previously SIP Communicator) is an audio/video and chat communicator with full end-to-end encryption that supports protocols such as SIP, XMPP/Jabber, ICQ/AIM, Windows Live, Yahoo!, GTalk/Hangouts extensions, as well as OTR, ZRTP, etc.'''
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