1、華中科技大學碩士學位論文軟交換演進研究和深圳試商用網的實現(xiàn)姓名：鄭坤鐘申請學位級別：碩士專業(yè)：電子與通信工程指導教師：石冰心20050427華中科技大學碩士學位論文AbstractWiththeemergenceanddev邑lopmentofsoftswitch，itpToVideagoodchanceforthetraditionaltelecommunicationnetworkevolveandblendtothenextgen

2、erationnetwork(NGN)，itisthecurrentgenerallyacceptedtargetthatthetraditionaltelecommunicationnetworkevolvetoSoflswitchisakindofnewcallcontroltechniquethatgraduallydeveloponthefoundationofIPtelephoneIthasthecharacteristics

3、thatthestructureseparatedmutuallyforbusiness／controlandloading／accessing，thestandardagreementcomlects，thebusinessAPIthatofferingopen，etcItcanprovidethevarietyconnectsintotheway，Itsynthesizestoprovidethespeech，data，multim

4、ediabusinessinpackageswitchnetwork，ItsupportstothetelecommunicationcarrycompanyandthethirdprovidesdevelopsthenewbusinessthroughthebusinessAPIThispaperfirstoverviewsthedevelopmenthistory，directionandbackgroundofswitchtech

5、niqueThenintroducesVoipgatewaybasedonH323protocolstackThenintroducesthesoftswitchtechniqueThenintroducesthetotalframeofsoftswitch，andeachnetfunctionofsoftswitch，andtheSIGTRAN，M3UA，SCTP，MGCP，H248，H323andSIPprotocolsthatwi

6、llbeimplementedintosoftswitchtechniqueBaseonanalyzingtheChinesetelecommunicationnetworkpresentconditionandtheexsitingproblem，thispaperdiscussedhowtoleadintothesofswitchonthetraditionaltelecommunicationnetwork，也etradition

7、altelecommunicationnetworkfacesthesoftswitchingevolutionstrategy，andrealizethetechniqueevolutionandstrategytransformationsofthenetworkAccordingtosoftswitchingbusinessneedandexperiencebusinessmode，thepaperstudiedthenetcap