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Analysis and its solution on security threats in SIP-based mobility support environments

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5 Author(s)
Jea-Tek Ryu ; Graduate School of Information and Communication, Ajou University, South Korea ; Byeong-hee Roh ; Man-Pyo Hong ; Hwan-Kuk Kim
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SIP is able to support MH mobility at the application level using a redirect server. SIP, however, performs signaling on the basis of an open network, the Internet. Thus, it is exposed to security threats that do not exist in a closed network such as PSTN. Although much research concerning SIP security threats have been conducted, studies regarding security threats under a SIP application-level mobility supported environment are relatively fewer in number. The aim of this paper is to analyze security threats under a mobile SIP environment. Moreover we argue that our suggested approach, through an extended application of the SIP INFO method, handles SIP mobility threats effectively without additional functions or systems.

Published in:

Innovations in Information Technology, 2008. IIT 2008. International Conference on

Date of Conference:

16-18 Dec. 2008