Geneiatakis D., Kambourakis G., Dagiouklas A., Lambrinoudakis C., Gritzalis S., “A Framework for Detecting Malformed Messages in SIP Networks”, Proceedings of the 14th IEEE Workshop on Local and Metropolitan Area Networks (LANMAN 2005), Ramakrishnan K. (Ed.), IEEE Press, Chania, Greece, September 2005.