GSMK CryptoPhone is a leader in mobile voice and message security. Located in Berlin, Germany, the company develops, produces and markets the first mobile, satellite and desktop phones that provide strong end-to-end voice encryption with full source code published for review.

GSMK CryptoPhone secure mobile, landline and satellite products offer trustworthy 360-degree protection for encrypted communications across network borders.

Products
http://www.cryptophone.de/en/products/