Security in VoIP

In recent years, because of the significant in the field of information technology, secure communication techniques have increased widely and unexpectedly, Specially with VoIP network. In order to establish reliable communication technology and to ensure that voice reaches its intended end and to be accessible to all through the shared network, there is a need to secure communication in VoIP networks and encrypt the transmitted voice “VOICE MAIL”. The proposed system is performed in two stages, the first stage includes cryptosystem with Chaotic Encryption of voice. The second stage using fingerprint authentication.