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      • The Experimental Practices of VoIP Based on the Commercial Softswitch Device

        Liang Xin-tao,Zhu Hong-yuan,Wang Dun-ci 보안공학연구지원센터 2015 International Journal of Future Generation Communi Vol.8 No.5

        A softswitch is the central device of the next-generation network (NGN) which is the hotspot in telecommunication industry. So it’s of great significance for the students and related companies to carry out practical experiments and researches based on the commercial softswitch device. Three stage targets of the VoIP, from the elementary to the profound, are proposed according to the characters of the softswitch teaching. The hardware and the software queuing system of the NGN laboratory of Harbin University of Science and Technology, which was designed and built for the targets, are introduced. Students can be queued for experiments with commercial VoIP devices in the NGN laboratory. Three categories of experiments, IP to IP, IP to Phone, and Softphone application development, are designed to cultivate innovative talents.

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