How can I secure VoIP conversations using free softphone?

How can I secure VoIP conversations using free softphone?

How can I secure VoIP conversations using free softphone such as XLite?

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While there's a lot available for commercial grade VoIP phones, there's not much for free softphones. Take a look at Zfone, which is a new secure VoIP phone software product that lets you make secure encrypted phone calls over the Internet. It's freely downloadable from Zfone project website, but it's currently in its beta state.

This was first published in August 2007