Study on Eveluation of Performancen on Internet Phone(VoIP) using the VPN 


Vol. 30,  No. 6, pp. 445-454, Jun.  2005


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  Abstract

To measure the performance of call quality, we have built the experiment environment and observed that the delay caused by encapsulation between internet and VoIP telephones is under 5ms at most. The major delay is assumed to be the time required to capsulate the packet for tunnelling of VPN. Because the difference of average delay time is under 4ms~5ms, the difference of call quality between VoIP and VoIP telephone adopting VPN is negligible. We have concluded that the capsulation process between PAC and PNS is the major factor influencing the network load by changing the number of fames in a packet during communication Also, we have concluded that the most suitable frame numbers is tow or three by adding the frame numbers in a packet to obtain the suitable frames in a packet and setting up end-to-end delay under 150ms.

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  Cite this article

[IEEE Style]

S. g. Lee, S. S. Yoo, M. j. Lee, H. Kwak, "Study on Eveluation of Performancen on Internet Phone(VoIP) using the VPN," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 445-454, 2005. DOI: .

[ACM Style]

Seong gi Lee, Seung Sun Yoo, Myeong jea Lee, and Hoon-Sung Kwak. 2005. Study on Eveluation of Performancen on Internet Phone(VoIP) using the VPN. The Journal of Korean Institute of Communications and Information Sciences, 30, 6, (2005), 445-454. DOI: .

[KICS Style]

Seong gi Lee, Seung Sun Yoo, Myeong jea Lee, Hoon-Sung Kwak, "Study on Eveluation of Performancen on Internet Phone(VoIP) using the VPN," The Journal of Korean Institute of Communications and Information Sciences, vol. 30, no. 6, pp. 445-454, 6. 2005.

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pISSN : 1226 - 4717
eISSN : 2287 - 3880