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ReliaSpeak™ Voice Encryption Technology
ReliaSpeak™ voice encryption solution, based on the leading-edge AMSI Modem technology, integrating high-quality voice coding algorithm, high security level cryptography algorithm, and efficient data communication protocol to support two operating modes of high reliable and high real-time data transmission, achieves functions of digital channel training, encryption key exchange, digital voice coding encryption, and data communication. This is the only solution that adopts the digital voice encryption technology to achieve encryption intercommunication between all types of telephone terminals such as landline phones, mobile phones, satellite phones and so on both at home and abroad.
- Integrate 1200bps/2400bps voice compression algorithms, encrypted voice quality can be selected according to the quality of line
- 3DES CTR encryption mode, which can be customized to replace to other high-intensity cryptography algorithm
- ECDH key exchange algorithm, supporting user-defined key agreement protocol
- Two data source transmission modes: high reliable data transmission for key exchange and high real-time data transmission for voice encryption data communication
- Built-in anti-speech enhancement algorithm to offset the AMSI modulation signal attenuation due to the native noise cancellation that comes with the phone terminal equipment
- Original RAEC line echo cancellation algorithm, effectively reduce the bit error rate caused by the line echo when duplex communication is performed
- Built-in noise cancellation, echo cancellation algorithm
100% digital encryption
Digitally compresses and codes the user’s speech firstly, then encrypts and modulates the encoded data. The encrypted speech is the same as “white noise”. There is no residual speech information at all compared with the analogue voice encryption products, which can fundamentally shield possibility of attacking voice weakness using audio analysis by eavesdropper.
High level cryptography strength
Use ECDH and 3DES algorithm. The key is altered twice per second or more, and will not be repeated even if a call is over 4 hours.
End-to-end full protection
Achieve end-to-end encryption communication in a variety of standard voice channels without any special line or operation and maintenance supports of any third-party service providers, and secret keys are entirely self-managed, that avoids the incidents caused by service providers’ intentions or management vulnerabilities.
Encrypted voice communication cross-network
Most secure telephone systems use digital encryption technology at present, for example: encrypted landline telephones is based on Modem communication technique, encrypted VoIP telephone system, and the CS domain encryption mobile phones are provided by network operators and so on. All those systems can only be applied to a certain type of equipments, but cannot intercommunicate cross-network. The fundamental reason is that different types of telephone systems use different communication mechanism and methods, it’s hard to establish a unified standard data communication channel between all system terminals.
ReliaSpeak™ technique is able to achieve digital encryption communication over the ordinary voice channel, and has broken the data intercommunication bottleneck caused by different terminal equipment, communication technology standard, operators and other factors. It is the only practical solution currently all over the world, that is able to achieve digital encrypted voice intercommunicate cross-network, which can really do: if can communicate by voice, encrypted voice can also.