Increasing need for secure voice communication is leading to new ideas for securing voice
transmission. This work relates to a relatively new concept of sending encrypted speech as …

Motivated by an increasing need for privacy-preserving voice communications, we
investigate here the original idea of sending encrypted data and speech in the form of …

This paper presents a brief survey about the existing key exchange protocols namely
MIKEY, ZRTP and SDES. The core features of these protocols and their suitability to SIP …

The growing risk of privacy violation and espionage associated with the rapid spread of
mobile communications renewed interest in the original concept of sending encrypted voice …

Key Agreement for Secure Voice over IP Page 1 Master of Science Thesis Stockholm,
Sweden 2003 IMIT/LCN 2003-14 JOHAN BILIEN Key Agreement for Secure Voice over IP …

A system of securing voice communication on mobile phone based on peer-to-peer SIP
protocol (P2PSIP) is discussed in this paper. This paper presents a new key exchange …

ABSTRACT A real-time application Voice over Internet Protocol (VoIP) is the technology that
enables voice packets transmission over internet protocol (IP). Security is of concern …

Traditionally, call authentication and security have not raised user concerns because
wiretapping requires physical access to the phone line and special equipment. However …

The Tactical Secure Voice Working Group was formed by the National Security Agency in
2008 to ensure that modernized tactical secure voice devices will be interoperable across …

We present an authentication and key agreement protocol to secure Voice over IP call
establishment between interconnection proxies of different domains. The protocol operates …