Privacy-enhancing Call Management in an IP-based Infrastructure

The cellular world and the Internet, the two standard communication mediums in use today, is converging through the IP Multimedia Subsystem. This creates the opportunity to develop innovative and powerful services that increase the productivity of communications. Maintaining user privacy is a primary factor that should be kept in mind when creating such services. In this paper the authors propose and elaborate on a call management solution which enhances user privacy while utilising an IP-based infrastructure.