• 100% open source
  • Encrypted by default
  • HD audio with Opus
  • No account needed
  • Presentations and desktop sharing
  • Integrated chat
  • Invite by pretty URLs https://MySite.com/OurConf

Supported Protocols/Networks

  • SIP
  • GoogleTalk
  • XMPP (Jabber)
  • Facebook (via XMPP)
  • .NET Messenger Service (commonly known as MSN or Windows Live Messenger)
  • Yahoo! Messenger
  • AIM
  • ICQ


  • Encrypted password storage
  • Password protection with a master password
  • Encrypted Instant Messaging with Off-the-Record Messaging (OTRv4)
  • Chat authentication with the Socialist Millionaire Protocol over OTR
  • Call encryption with SRTP and ZRTP for XMPP and SIP
  • Call encryption with SRTP and SDES for XMPP and SIP
  • DNSSEC support