@inproceedings{strand-2011, author = {Lars Strand and Wolfgang Leister and Alan Duric}, title = {Migration towards a more secure authentication in the {S}ession {I}nitiation {P}rotocol}, booktitle = {Proceedings of the Fifth International Conference on Emerging Security Information, Systems and Technologies}, publisher = {Xpert Publishing Services}, year = {2011}, month = {Aug}, pages = {21-27}, isbn = {978-1-61208-010-9} }