基于VoIP的企业融合通信系统的设计与实

毕业论文（设计）中文题目：基于VoIP的企业融合通信系统的设计与实现英文题目：EnterpriseintegrationcommunicationsystembasedonVoIPdesignandimplementation姓名：***学号：****专业班级：***指导教师：***提交日期：2012-04-20***，广东，***，***教务处制***计算机科学系毕业论文i基于VoIP的企业融合通信系统的设计与实现网络工程，***，指导老师：***（***计算机科学系，广东，***，中国，***）摘要在电信网络演进中，VOIP是最先得到应用的IP技术。VOIP（VoiceoverIP）是一种在IP网络上互传语音或视讯的技术，是人们可以享受到资费更便宜、甚至完全免费的通话，以及各种各样的多媒体增值服务，电信运营商的服务内容及方式也相应地产生了翻天覆地的变化。同时，为了降低通话成本，满足更多的用户需求，越来越多的公司采用“IP电话”系统。这些企业通常已经架设了以太网络，采用VoIP可以统一多种不同平台网络和极大地减少电话开销。VoIP技术正日益成为企业通信的主流技术之一。本文提出基于SIP协议的VoIP系统方案，重点研究了支持SIP终端的软交换解决方案。在原有的网络基础上，通过架设软交换服务器、语音网关和IP电话等设备，实现了内部局域网络和PSTN网络的融合，以达到一个简单易行而又多功能的企业融合通信平台。解决了企业多媒体通信的需求，降低了企业的语音通信费用，为企业带来了明显的经济效益。关键词VoIPSIPIP电话语音网关软交换***计算机科学系毕业论文iiEnterpriseintegrationcommunicationsystembasedonVoIPdesignandimplementationNetworkEngineering,ZhengXuhong,Supervisor:ChenZhaohua(ComputerScienceDept.,HuizhouCollege,Guangdong,China,516007)AbstractIntheevolutionoftelecommunicationnetworks,VOIPisthefirstapplicationofIPtechnology.VOIP(VoiceoverIP)isaeachotherVoiceorvideoontheIPnetworktechnology,isthatpeoplecanenjoycheaperrates,andevencompletelyfree,andallkindsofmultimediavalue-addedservices,servicecontentandthemethodoftelecomoperatorshaschangeddramatically.Atthesametime,inordertodecreasethecostofcallstomeettheneedsofmoreusers,moreandmorecompaniesareusingIPphonesystem.ThesecompaniesusuallyhaveEthernetnetworkhasbeensetup,usingVoIPcanunifydifferentplatformnetworkandgreatlyreducethetelephonecosts.VoIPtechnologyisincreasinglybecomingoneofthemainstreamofthecommunicationtechnology.Inthispaper,basedontheSIPprotocolofVoIPsystemscheme,keysupportSIPterminalsoftswitchsolutionwasstudied.Onthebasisoftheoriginalnetwork,throughtheerection,voicegatewayandsoftswitchserverIPtelephonecallsandsuchequipment,hasrealizedthefusionofinternallocalareanetworkandPSTNnetwork,inordertoachieveasimpleandversatileenterpriseintegrationplatformofcommunication.Tosolvetheenterprisethedemandofthemultimediacommunication,reducetheenterprisecostofvoicecommunications,hasbroughtobviouseconomicbenefitsfortheenterprise.KeywordsVoIPSIPIPphoneVoicegatewaySoftswitch***计算机科学系毕业论文目录摘要·······························································································iAbstract····························································································ii第1章绪论·······················································································11.1课题的研究背景·································································································11.2课题研究意义·····································································································11.3课题研究的目标·································································································21.4主要研究工作·····································································································3第2章融合通信理论基础···································································42.1VoIP技术概论····································································································42.1.1VoIP技术产生的背景··················································································42.1.2VoIP技术的原理··························································································42.1.3VoIP技术的特点··························································································62.1.4VoIP技术的发展趋势··················································································62.2软交换技术概述·································································································72.2.1软交换技术产生的背景··············································································72.2.2软交换技术的概念······················································································72.2.3软交换技术的功能······················································································72.2.4软交换技术的意义······················································································82.2.5软交换技术的应用······················································································82.3会话初始协议（SIP）·····················································································102.3.1SIP协议的背景··························································································102.3.2SIP协议的功能··························································································102.3.3SIP协议的网络元素··················································································112.3.4SIP协议的实现机制··················································································122.3.5SIP协议的消息组成··················································································14第3章企业IP融合通信方案设计························································163.1需求分析···········································································································163.1.1背景············································································································163.1.2企业需求·······················································