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AnaLysis and Design of the Video Conference System of Qing-Dao Construction Group

Author: ShengShuJuan
Tutor: PengZhiZhong
School: Shandong University
Course: Software Engineering
Keywords: SIP JAIN UML Video conference
CLC: TN948.63
Type: Master's thesis
Year: 2010
Downloads: 61
Quote: 1
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Video conference system is the use of a communication network , transmit a plurality of participants continuously active images, sounds and data in a communications system that enables geographically dispersed users on the network through the video , audio , text, interactive exchange of information flow . With the network technology and communication technology continues to evolve , based on IP switching network multi-point video conferencing system because of its low cost , interactive powerful, more participatory characteristics become the people to communicate through remote ideal choice for meetings . Video conferencing systems for multimedia session signaling protocols ' H.323 and SIP, although H.323-based video conferencing systems research and development is relatively mature, but its implementation complexity , high development costs , scalability and flexibility limited. Internet Engineering Task Force (Internet Engineering Task Force) in February 2006 issued a draft RFC4353 , SIP protocol provides video conferencing system design framework , and more to promote the SIP protocol in the application of multimedia session . The system is based on the SIP protocol development . This paper studies the SIP protocol and its network architecture, design, SIP-based video conferencing systems model to JAIN protocol stack based on established video conferencing applications suitable for the SIP protocol stack to JMF API as an application programming interface, developers realized voice and video stream transmission, and processing . In the system design and development process , we use UML modeling technology and object-oriented development methodology to complete the system requirements analysis , architecture, functional design, using Visio modeling tool complete system package diagrams, use case diagrams, class diagrams, sequence map design . ER Relationship completed through the system database logical structure , physical structure analysis and design.

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CLC: > Industrial Technology > Radio electronics, telecommunications technology > TV > TV and television equipment > Television Center Management System > Video conferencing systems
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