@inproceedings{TUW-110266, author = {Kurtansky, Pascal and Reichl, Peter and Fabini, Joachim and Lovric, Thomas and Stiller, Burkhard}, title = {Efficient Prepaid Charging for the 3GPP IP Multimedia Subsystem (IMS)}, booktitle = {Proceedings of IDPT'2006}, year = {2006}, issn = {1090-9389}, note = {talk: 9th World Conference on Integrated Design {\&} Process Technology (IDPT'2006), San Diego, California, USA; 2006-06-25 -- 2006-06-30} }