Signal is compatible with RedPhone, its Android sibling
By Jeremy Kirk July 30, 2014 An open-source project has released the first free application for the iPhone that scrambles voice calls, which would thwart government surveillance or eavesdropping by hackers.Signal comes from Open Whisper Systems, which developed RedPhone and TextSecure, both Android applications that encrypt calls and text messages.The application is compatible with RedPhone and eventually RedPhone and TextSecure will be combined in a single Android application and called Signal as well, according to a blog post.
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