David J. Lutz, Dominik Lamp, Patrick Mandic, Fabio Victora Hecht, Burkhard Stiller. Charging of SAML-based federated VoIP services. In 5th International Conference for Internet Technology and Secured Transactions, ICITST 2010, London, United Kingdom, November 8-10, 2010. pages 1-8, IEEE, 2010. [doi]
Abstract is missing.