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The Guartel
Technologies Enigma 512 is a Digital Signal Processing
(DSP) based secure telephone system which can
support both non-secure and secure telephone communications.
For secure communications the system uses
military specification 512 bit public key algorithm
for key transaction and Triple – Data Encryption
Standard (DES) algorithm for voice encryption.
 System
Features
•
Smart speaker phone system for superior voice
quality
• International caller ID system
• Re-chargeable battery support
• LCD display
• Speed dial
• 100 number memory
• Last 8 number re-dial
• Tone/Pulse switch able
• Data port
• IDD secure key number lock
Encryption
System
•
High Performance, non-standard 3600 FDX QAM modem
• Non Standard 2520bhps Voice Coding/Decoding
software
• Triple DES for voice encryption 192 bit
keys
• Random Key negotiation for each call using
Elgamel public key algorithm with transaction
using
128-20148 bit key
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