References

Bao, D., D.L. Carni, L. de Vito and L. Tomaciello, 2009. Session intiation protocol automatic debbuger. IEEE Trans. Instru. Measur., 58: 1869-1877.
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El-Sawda, S., P. Urien and R. El-Sawda, 2010. A trust communication with sip protocol. Proceedings of the IEEE/ACS International Conference on Computer System and Application, May 16-19, 2010, Hammamet, Tunisia, pp: 1-6.

Kawagoe, T., H. Kawakami, K. Soga, K. Tanaka H. Okazaki and S. Hasegawa, 2011. On the design and an implementation of broadband access management systems C and C product technologies development laboratories. NEC Corporation C and C Research Laboratories, NEC Corporation.

Nahum, E. and T.C. Wright, 2007. Evaluating SIP proxy server performance. Proceedings of the 17th International workshop on Network and Operating Systems Support for Digital Audio and Video, June 4-5, 2007, Urbana-Champaign, IL., USA -.