RedPhone :: Private Calls description

RedPhone makes private communication simple. Free, world-wide, end-to-end encryption for your calls, securing your conversations so that nobody can listen in.

★ RedPhone uses your normal phone number to make and receive calls, so you don't need yet another identifier.

★ RedPhone calls are encrypted end-to-end, but function just like you're used to.

★ Free and Open Source, enabling anyone to verify its security by auditing the code.

★ Uses wifi or data, not your plan's voice minutes.

★ All RedPhone calls are free, including long distance and international.

More information:
https://whispersystems.org

Please file any bugs, issues, or feature requests at:
https://github.com/whispersystems/redphone/issues