Changes
added tools and services
|Scenario Task Parent=Online Conversations
|Scenario Task Type=Surveillance
|Scenario Tools and Services=Linphone, Jitsi, Jitsi Meet
|Scenario Task Description=Secure telephony and video conferencing on the Internet did not exist until very recently, when [https://en.wikipedia.org/wiki/ZRTP ZRTP], a cryptographic standard for voice over IP (VOIP) conferencing was invented by Phil Zimmerman, the same person who gave us [https://en.wikipedia.org/wiki/Pretty_Good_Privacy PGP] encryption for email. ZRTP offers end-to-end encryption of the conversations and has been implemented in [https://jitsi.org/ Jitsi] and [http://www.linphone.org Linphone]. Both tools encrypt audio and video conferencing and are available for use on all common platforms.
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In addition Jitsi also offers a conferencing service accessible directly from the browser, called [https://jitsi.org/Projects/JitsiMeet Jitsi Meet]. You can [https://github.com/jitsi/jitsi-meet install the open source] package on your own computer or use their publicly available portal at https://meet.jit.si. Note that this web service provides only transport layer security (TLS) and not end-to-end encryption as the clients mentioned above, which means that the connection is encrypted but the content is accessible to the provider.
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}}
