G. Kambourakis, D. Geneiatakis, S. Gritzalis, T. Dagiuklas, and C. Lambrinoudakis, Security and privacy issues towards ENUM protocolLinks to an external site., in Signal Processing and Information Technology, 2005. Proceedings of the Fifth IEEE International Symposium on, 2005, pp. 478-483, DOI:10.1109/ISSPIT.2005.1577144.
vovida.orgLinks to an external site. contains source code for the Vovida Open Communication Application Library (VOCAL), which includes the servers described in the course book.
Voxilla.orgLinks to an external site. hosts a collection of pointers to various open source telecom software projects for use with the GNU/Linux operating system
GNU BayonneLinks to an external site., - Application Server -- a telecommunications application server; the focus is on voice response types of telephony applications.
Babylon - Telephony Device Monitor
TOSI - Client Call Control System
Voice Mail - Multi-user messaging application
Support Automation - Tele-support application
Sales Automation - Tele-sales application
NIST-SIPLinks to an external site. a signaling stack and message parser for the SIP (Session Initiation Protocol); includes: a public domain extensible, modular JAVA based message parser for SIP, A simple stack with authentication, implementation of JAIN-SIP 1.0 interfaces, XML based call flow scripting tool, a test proxy with an XML interface for service creation, a trace viewer tool for visualization of message traces that passing through the stack
Xianglin Deng, "Security of VoIP: Analysis, Testing and Mitigation of SIP-based DDoS attacks on VoIP Networks", Masters thesis, University of Canterbury, Canterbury, New Zealand, Available at http://ir.canterbury.ac.nz/handle/10092/2227, 2008.
Xianglin Deng and Malcolm Shore, Advanced Flooding Attack on a SIP Server, presented at the International conference on Availability, Reliability and Security, 2009. ARES09., Fukuoka, 2009, pp. 647-651, DOI:10.1109/ARES.2009.15, Available at http://ieeexplore.ieee.org/lpdocs/epic03/wrapper.htm?arnumber=5066541.
Stephen B. Wicker, "Cellular telephony and the question of privacy", Communications of the ACM, vol. 54, no. 7, p. 88, July 2011, DOI:10.1145/1965724.1965745, Available at http://portal.acm.org/citation.cfm?doid=1965724.1965745.