Secure Voice GSM

Secure Voice GSM is software designed to encrypt your mobile phone calls on the fly. It is a full duplex real-time voice encryption application that allows you to talk and listen at the same time. The software is compatible with many Nokia handsets, with no hardware modifications required.

Call authentication is made using RSA encryption based on a 1024 bit asymmetric key algorithm using a random key. The voice encryption is based on ARC4 algorithm and made using the RSA start session key. The vendor states that the software successfully passed security tests performed by government experts and received a security certificate of Israeli Ministry of Defense.

Secure Voice GSM is compatible with the following Nokia mobile phones: N70, N71, N72, N73, N73 Music Edition, N75, N76, N77, N93, N93i, N80, N90, N91, N91 8GB, E70, E61, E62, E60, E50, 6630, 6680, 6681.