@inproceedings{VahlBoehmerOestreich2009, author = {Michael Vahl and Stefan B{\"o}hmer and Thomas Oestreich}, title = {Probability Based Risk Analysis for a VoIP System}, series = {Fifth Advanced International Conference on Telecommunications, AICT '09. Venice, 24-28 May 2009}, publisher = {IEEE}, isbn = {978-1-4244-3840-2}, doi = {10.1109/AICT.2009.79}, pages = {441 -- 446}, year = {2009}, language = {en} }