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Research and Design of IM Based on SIP Protocol

Author: YangLe
Tutor: LuJiGuang
School: Central South University for Nationalities
Course: Applied Computer Technology
Keywords: Instant messaging software Initial session protocol SIMPLE protocol SIP protocol stack
CLC: TP311.52
Type: Master's thesis
Year: 2009
Downloads: 90
Quote: 1
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Abstract


Instant messaging software is a convenient network communication technology for the user on the network to provide an instant platform . Due to the rapid development of the Internet and the growth of Internet users overall base allows users increasing functions for instant messaging software requirements , instant messaging software users want to communication between each other is no longer confined to the same network , while convenient across the network communications. For now, China 's communications market, major networks , including : mobile telecommunications network , the fixed telephone network and the Internet . Consistent with a focus of attention in these three sectors is how these three networks combine to create a instant means of communication across the network . IMS - based next - generation network technology can seamlessly to achieve this integration . IMS is considered to be the core technology of the next generation network , is also an important way to solve the integration of mobile and fixed networks , the introduction of voice, data and video triple fusion between business . The initial session protocol (SIP) is a standard signaling protocol for IMS . SIP system important feature is independent of the communication and access methods can be separated with a variety of control functions and bearer of the media business function , call and session separation , separation of applications and services , business and network separation , as well as mobile telecommunications network , the fixed telephone network and Internet business integration capabilities . SIP protocol conforms to the the future IM software across the network communications to provide multimedia business development needs , so get widespread attention . This paper first introduces the SIP protocol standard , comparative analysis of the advantages and disadvantages of the SIP protocol and other related agreements . Then the SIP protocol , SIP protocol model structure , SIP protocol network architecture based on SIP SIMPLE protocol analysis . How to use the SIP protocol Instant Messaging and Presence Service . The paper has designed an instant messaging system PC client framework , the framework is based on the SIP protocol . Using this framework based on the standard SIP protocol instant messaging system PC client program can be quickly constructed on the Windows platform . The end of the article describes the realization of the main functions of the PC client , test and related functions on the LAN .

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CLC: > Industrial Technology > Automation technology,computer technology > Computing technology,computer technology > Computer software > Program design,software engineering > Software Engineering > Software Development
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