제어로봇시스템학회:학술대회논문집

Institute of Control, Robotics and Systems (제어로봇시스템학회)
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A Newly Telesecurity of VoIP using SIP protocol in VPN

  • Lee, Sung-Ki (Department of Computer Engineering, Chonbuk University) ;
  • Hwang, Doh-Yeun (Department of Computer Engineering, Chonbuk University) ;
  • Yi, Seung-Ryong (Department of Computer Engineering, Chonbuk University) ;
  • Yu, Seung-Sun (Department of Image Engineering, Chonbuk University) ;
  • Kwak, Hoon-Sung (Department of Computer Engineering, Chonbuk University)
  • Published : 2005.06.02
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Abstract

The VoIP (Voice over IP) is being used world-widely and already put to practical use in many fields. However, it is needed to ensure the security of VoIP call in special situations. It is relatively difficult to eavesdrop commonly used PSTN network in that a 1:1 circuit connects it. However, it is difficult to ensure the security of a call on Internet because many users are connected to the Internet concurrently. This paper suggests a new model for Internet telephony to prevent eavesdrops, using VoIP (using SIP protocol) with the use the VPN protocol and establish the feasibility of its practical use comparing it with the conventional Internet telephony.

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