Goertz, Manuel ; Ackermann, Ralf ; Schmitt, Johannes ; Steinmetz, Ralf (2004)
Context-aware communication services : a framework for building enhanced IP telephony services.
Conference or Workshop Item, Bibliographie

Goertz, Manuel ; Ackermann, Ralf ; Steinmetz, Ralf (2004)
Enhanced SIP communication services by context sharing.
Conference or Workshop Item, Bibliographie

Martinovic, Ivan ; Goertz, Manuel ; Ackermann, Ralf ; Mauthe, Andreas ; Steinmetz, Ralf (2004)
Trust and context : two complementary concepts for creating spontaneous collaborative networks and intelligent applications.
Conference or Workshop Item, Bibliographie

Goertz, Manuel ; Ackermann, Ralf ; Steinmetz, Ralf (2004)
The digital call assistant : determine optimal time slots for calls.
Conference or Workshop Item, Bibliographie

Steinmetz, Ralf ; Ackermann, Ralf ; Roedig, Utz ; Goertz, Manuel ; Schumacher, Markus (2002)
IP-Telefonie : Protokolle, Herausforderungen, Lösungen und kritische Analyse der Sicherheit.
In: Arbeitsgemeinschaft des VDE Rhein-Main: Presentation series ; [IP-Plattform für moderne Kommunikation 14.1.-4.2.2002, Frankfurt a. M.]- Frankfurt a.M., 2002.- S. 57-77
Article, Bibliographie