Bringing VoIP Signatures to Mobile Devices
Ronald Marx, Nicolai Kuntze, Hagen Lauer · 2013
With the advent of LTE another technology is gaining momentum in mobile communication, viz. Voice-over-IP (VoIP). While LTE provides state-of-the-art security features such as confidentiality, integrity, and authenticity, non-repudiation of voice communication over LTE is not addressed. At the same time the utilization of mobile phone devices for business communication is already common practice. However, applications supporting specific business requirements, such as the confirmability of statements made in a phone call, are missing.