9Si DF, Long Q, Han XH, Zou W. Security mechanisms for SIP-based multimedia communication infrastructure. In: Li LM, ed.Proc of the 2nd IEEE Conf on Communications, Circuits and Systems (ICCCAS). IEEE Press, 2004. 575-578.
10Wu JS, Wang PY. The performance analysis of SIP-T signaling system in carrier class VoIP network. In: Wu C, ed. Proc of theIEEE 17th Int'l Conf of Advanced Information Networking and Applications (AINA 03). Washington DC: IEEE Computer Society,2003. 3944.
