诺基亚M13_MSS_PD_2_0英文

NokiaMSCServerandGatewayControlServerProductDescriptiondn00292692Issue2-0©NokiaOyj1(76)NokiaMSCServerandGatewayControlServerTheinformationinthisdocumentissubjecttochangewithoutnoticeanddescribesonlytheproductdefinedintheintroductionofthisdocumentation.ThisdocumentisintendedfortheuseofNokia'scustomersonlyforthepurposesoftheagreementunderwhichthedocumentissubmitted,andnopartofitmaybereproducedortransmittedinanyformormeanswithoutthepriorwrittenpermissionofNokia.Thedocumenthasbeenpreparedtobeusedbyprofessionalandproperlytrainedpersonnel,andthecustomerassumesfullresponsibilitywhenusingit.Nokiawelcomescustomercommentsaspartoftheprocessofcontinuousdevelopmentandimprovementofthedocumentation.Theinformationorstatementsgiveninthisdocumentconcerningthesuitability,capacity,orperformanceofthementionedhardwareorsoftwareproductscannotbeconsideredbindingbutshallbedefinedintheagreementmadebetweenNokiaandthecustomer.However,Nokiahasmadeallreasonableeffortstoensurethattheinstructionscontainedinthedocumentareadequateandfreeofmaterialerrorsandomissions.Nokiawill,ifnecessary,explainissueswhichmaynotbecoveredbythedocument.Nokia'sliabilityforanyerrorsinthedocumentislimitedtothedocumentarycorrectionoferrors.NOKIAWILLNOTBERESPONSIBLEINANYEVENTFORERRORSINTHISDOCUMENTORFORANYDAMAGES,INCIDENTALORCONSEQUENTIAL(INCLUDINGMONETARYLOSSES),thatmightarisefromtheuseofthisdocumentortheinformationinit.Thisdocumentandtheproductitdescribesareconsideredprotectedbycopyrightaccordingtotheapplicablelaws.NOKIAlogoisaregisteredtrademarkofNokiaOyj.Otherproductnamesmentionedinthisdocumentmaybetrademarksoftheirrespectivecompanies,andtheyarementionedforidentificationpurposesonly.Copyright©NokiaOyj2004.Allrightsreserved.2(76)©NokiaOyjdn00292692Issue2-0ContentsContents1Introduction..........................................................................................72ProductConfigurations.......................................................................82.1NokiaMSCServer(MSS)......................................................................82.1.1NokiaMSCServer(MSSu)....................................................................92.2NokiaGatewayControlServer(GCS)..................................................102.2.1GCSinIPMultimediaSubsystem........................................................102.3NokiaIntegratedMSSandIntegratedGCS..........................................113BenefitsofNokiaMSSandGCS.......................................................133.1CommonelementsforGSM/EDGEandWCDMA................................133.2Operationalcostsavings......................................................................133.2.1Servicecontinuity.................................................................................163.3Long-terminvestmentprotection..........................................................164Functionality.......................................................................................174.1VisitorLocationRegister......................................................................174.2Callcontrol,userplanecontrolandMGWcontrol................................184.2.1CallControl..........................................................................................194.2.2Userplanecontrol................................................................................194.2.3MultimediaGatewayControl................................................................204.3Mobility................................................................................................214.3.1Roamingandhandover........................................................................214.4IntelligentNetworkFunctionality...........................................................224.5SupplementaryServices......................................................................224.6MessagingServices.............................................................................234.7Circuitswitcheddata............................................................................244.8Chargingandaccounting.....................................................................244.8.1InformationSecurity.............................................................................254.9OperationandMaintenance.................................................................264.9.1ConfigurationManagement..................................................................264.9.2Faultmanagement...............................................................................274.9.3PerformanceManagement...................................................................274.9.4NetworkElementManagementUnit.....................................................284.10FunctionalityinDifferentConfigurations...............................................305Interfaces............................................................................................315.1A-interface...........................................................................................325.2Iu-CSContr