Abstract
The proposed framework describes a service for users that gives them the ability to make gsm calls from their smartphones without revealing their identity. The principle to achieve that is simple: instead of using your cell phone to make a call, pick somebody else’s phone to do so. We proposed an infrastructure of smartphones, sip registrars and sip proxies to provide caller anonymity. We developed a testbed where a smartphone registers on a SIP registrar and can start GSM conversation through another smartphone acting as a GSM gateway, by using a SIP proxy. Empirical evaluation revealed no significant QoS degradation.
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© 2012 IFIP International Federation for Information Processing
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Psaroudakis, I., Katos, V., Efraimidis, P.S. (2012). A Framework for Anonymizing GSM Calls over a Smartphone VoIP Network. In: Gritzalis, D., Furnell, S., Theoharidou, M. (eds) Information Security and Privacy Research. SEC 2012. IFIP Advances in Information and Communication Technology, vol 376. Springer, Berlin, Heidelberg. https://doi.org/10.1007/978-3-642-30436-1_46
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DOI: https://doi.org/10.1007/978-3-642-30436-1_46
Publisher Name: Springer, Berlin, Heidelberg
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