SYSTEM FOR SECURE TRANSMISSION OF VOICE COMMUNICATION VIA COMMUNICATION NETWORK AND METHOD OF SECURE TRANSMISSION OF VOICE COMMUNICATION

摘要

A system for secure transmission of voice communication via communication network comprising at least one wireless communication device (Al) of a calling participant, at least one network communication device (Bl) of the calling participant, a central control unit (C), at least one network communication device (B2) of a called participant and at least one wireless communication device (A2) of the called participant using private encryption key of the calling participant, public encryption key of the calling participant, private encryption key of the called participant, and public encryption key of the called participant which can be changed and a method of secure transmission of voice communication using this system.