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Design and Performance Testing of Vocallo Media Gateway Software Application Scheme

Author: WangTingMao
Tutor: MengLiMin;JinGuangZe
School: Zhejiang University of Technology
Course: Electronics and Communication Engineering
Keywords: Vocallo Media gateways application design Audio/video testing
CLC: TN915.05
Type: Master's thesis
Year: 2011
Downloads: 9
Quote: 0
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Abstract


With the rapid development of telecommunications technology, and telecom services are increased rapidly. Next Generation Network (NGN) has become the focus of the whole society, especially after the Voice over Internet Protocol, and Internet Protocol Television becoming true. The traditional way of telephone communications are fundamentally shaken in this years because the emergence of these technologies. At this point, it is becoming the basic idea of the next generation network integrating the telephone network, cable network based on the IP network. The advantages of the soft-switching technology make it becoming the core technology of next generation network.As a component of the access plane in a major network, media gateway technology has also been attention by the domestic and international operators, equipment manufacturers. In the market, there have been many related types of products. The core of this article, Vocallo media gateway software is one of them, it is to provide audio, video processing functions.At first, this paper described the components, classification, protocols and feature of the media gateway system in detail,then illustrated Vocallo media gateway software on the system structure. Because the main objective of the article is the application design of the Vocallo media gateway software, it is necessary to fully understand its API and function. so the article also made a introduction of its API in detail. Then, the author combined the practical application situation, proposed the overall design ideas and illustrated the process of Establishing audio channels, video channel and the audio and video conference ,which included commands, command parameter, return information, and so on. Finally, this paper carefully tested the function and performance of the gateway software using designed application examples. The purpose is to compare with the product performance index what the manufacturer gave. At the same time, some disadvantages in the software design of Media gateways could be found.

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