Reinaert Electronics offers the Enigma GSM crypto mobile phone which boasts the latest GSM and encryption technology offering its users a powerful tool to ensure end-to-end privacy and confidentiality over public GSM and landline networks. The Enigma works like any normal dual band 900 and 1,800 MHz GSM phone and has many additional features when encrypted, such as DVSI speech Vocoder for superior speech quality, user authentication and a unique IDEA session key generated for each call.