阿尔卡特OXE培训教材ppt课件

Alcatel-LucentOmniPCXEnterpriseTraining,Monday,October18,2010,1,Theproposeoftraining,LetadministratorslearnhowtosetandcanceltheparametersofuserbyaPCterminal.掌握用户性能的设置和取消Letadministratorslearnallsystemcommands掌握所学的系统管理命令Letadministratorslearnhowtobackupandrestoresystemdatabase.掌握系统数据的恢复和备份Letadministratorslearnlocalizationoffaults简单掌握故障定位Letadministratorslearnhowtouseattendantandphoneset.学会话务台以及数字话机的操作,2,Thecontentsoftraining,SystemArchitecture系统结构OperationoftheTerminal终端操作Operationofattendantandphoneset话务台以及话机终端使用UserCategory用户性能commandsofsystemconfigration系统管理命令,3,Agenda,4,Agenda,5,Agenda,6,Agenda,7,Agenda,8,OXEOverview,9,OXEOverview-CallServer,CallServer(alsocalledCPU)isthecontrollerofOXE在OXE中，CS担当了相当于CPU的功能。Hardware:Harddisk+CPUboard+Memory硬件：硬盘+CPU+内存Software:Linus(RedHat)软件：Linux（RedHat）SignalingprocessingfunctionunitisincludeinCS:包含了信令的处理单元：processingsignalingbetweenMediaGatewayorIPterminalandCSsupportingUA、H.323、SIPCSsupportredundancymode可以处理和MG或其他IP终端的信令。其支持的协议非常广泛，包含UA、H323和SIP等。另外，CS可以配置成双备份系统。,10,OXEOverview-CallServer,3CShardwaretypesCS有3种不同的硬件类型,IP机架式服务器,IP晶体结构服务器,IP功能型服务器,11,OXEOverviewMediaGateway,Mediagateway:2hardwaretypes媒体网关：有2种不同的类型,IP媒体网关,IP晶体结构媒体网关,12,OXEOverviewPhoneSets,13,OXEOverview-Boards,UserSide:Phonesets用户侧（桌面电话）：,14,OXEOverview-Boards,CustomerEdge:Phonesets用户侧（桌面电话）：,15,OXEOverview-Boards,UAIoreUAdigitalterminalconnectionUAI或eUA板可承载终端示意图,SLIoreZanalogterminalconnectionSLI或eZ板可承载终端示意图,16,OXEOverview-Boards,Carrierside:carrierstrunk中继侧（运行商接入）：,17,OXEOverview-Boards,18,OXEOverview-Boards,AuxiliaryboardsinCrystalMediaGateway:IP晶体结构媒体网关其他重要板件：IO2N+ISAB2fordealinghightraffic大话务量时使用VPUxforVoicemailfunction语音信箱RMAforremotemaintenance远程维护接入INTIP+GIPxforconnectionofH.323andSIPterminals.AndforIPnetworking用于IP-TOUCH,H323,SIP终端,及H323,ABC-F2,SIP等协议组网。GPA2forVoiceguideand29conference用于提供语音导航29方R2信令资源INTOFxforconnectionofcabinet机柜间的连接,19,OXEOverview-Boards,AuxiliaryboardsinIPMediaGatewayIP媒体网关所承载的其他重要板件：GAx+MADAx（ARMADA）：forIPterminalsignaling,29conference,networking提供IP-TOUCH,H323,SIP终端资源,H323,ABC-F2,SIP等协议组网,29方会议GDx+MADAx（ARMADA）：forcabinetpowersupply,IPterminalsignaling,29conferrence,networking.Remotemaintenance.用于提供整个机柜的供电，IP-TOUCH,H323,SIP终端，H323,ABC-F2,SIP等协议组网，29方会议资源，eRMA远程维护接入及信令备份(POWR)MEX+HSL1：forconnectionsbetweencabinetstoprovidepowersupplyandsignaling.Andalsoprovide3partyconference与所关联的GDx连接获得信令,提供本机柜的电源,提供3方会议资源LANx：8or16portsLANswitchboard提供8口或16口的LANSWTICH,20,BeforloginOXE/,Hardlineconnectionsforlogin(CrystalMediaGateway)OXE登录时硬件连接（IP晶体结构媒体服务器）：RS232PINFig.RS232连线说明,21,BeforloginOXE,Hardlineconnectionsforlogin(IPMediaGateway)OXE登录时硬件连接（IP媒体服务器）：RS232PINFigRS232连线说明：,OXE侧（RJ45）PC侧（9孔）1-72-43-35-56-27-68-8,22,PCconfigurationforloginOXE,PCSetup(oruseothersoftware“Neterm”,”CRT“：,23,PCconfigurationforloginOXE,设置超级终端：(setupHyperTerminal),24,PCconfigurationforloginOXE,设置波特率(setupBaud),25,PCconfigurationforloginOXE,如果使用网络登录OXE(logonOXEsystem)HavetologinbyRS232port,ifcannotgettheIPaddressofcallserver.如果OXE的CallServer的IP地址未知，则必须使用串口登录。,26,Login,Typingtheusernameandpassword输入用户和密码：Loggedin当登录后显示：,27,ManagementofCallserversIPaddress,WhyweneedtochangethedefultIPaddress?为什么需要修改CallServer的IP地址？ThedefultIPaddressissubnetmask系统出厂的CallServerIP为子网掩码为：92Itishardtodeployincustomersnetwork.Ifthesystemhave:IPterminals;IPnetworking;TAPI、TSAPI、CAST、AHL。不符合用户实际IP地址的要求,有IP、H323、SIP等终端,有H323、SIP、ABC-F2等协议组网有TAPI、TISAPI、CSTA、AHL等应用Caution：onlyonesessionorserviceallowedtomodifytheIPaddressinsametime.注意：在同一时刻，只允许有一个修改IP地址的进程或服务!,28,ManagementofCallserversIPaddress,CheckcurrentIPaddressbyusingcommandofmore/etc/hostsCallServer的IP地址查看：使用more/etc/hosts命令查看当前的IP地址。Subnetmask,loopbackaresignificantforsystemmanagement.Subnetmask、loopback和在后缀中有描述的项目（如standcpu，maincpu），是实际有意义的。,29,ManagementofCallserversIPaddress,Netadmin:tosetIPaddressnetadminm:tomodifyIPaddress使用netadmin重新创建或netadmin-m命令修改。,30,ManagementofCallserversIPaddress,UsingnetadminmtomodifycallserversIPfromto使用netadminm修改CallServer的IP地址实例：（将更改为）,31,ManagementofCallserversIPaddress,TypingthenewIPaddressandsubnetmask输入新的IP地址及子网掩码,32,ManagementofCallserversIPaddress,33,ManagementofCallserversIPaddress,SetnewIProutinggateway网关地址按此模式配置：,34,ManagementofCallserversIPaddress,Caution:IProutinggatewayaddressandcallserveraddressmustinthesamesubnet注：网关地址必须与CallServer的IP地址在同一子网中,35,ManagementofCallserversIPaddress,36,ManagementofCallserversIPaddress,37,ManagementofCallserversIPaddress,Toverifytheconfiguration使用命令验证配置,Usingcommand“pingxxx.xxx.xxx.xxx”toverify.(Ping)使用pingxxx.xxx.xxx.xxx(ping)验证,38,ManagementofCallserversIPaddress,Caution:iftheoperateisbreakwhenusing“netadmin”or“netadminm”,youhavetologinrootaccountandusing”Kill-9tostopsession”注意事项：当在使用netadmin或netadminm命令时，认为中断；必须在root账号下，使用命令Kill-9中断进程。,39,Shutdownthesystem,Standardproceduretoshutdownsystem:First,Shutdownhnow不建议以直接切断电源的方式关机。会影响硬盘使用寿命，照成系统不稳定。标准关机流程如下：1.使用命令shutdownhnow停机。,40,Shutdownthesystem,Second,turnoffthepowerswitch.2.将CallServer的面板电源开关关闭。,41,Resetthesystem,Resetcommand:shutdownrnowOXE系统重启：是关机并自动重新运行的过程。使用命令：shutdownrnowTheresetwilltake10-15min:stoptheOS,andrestartit.Thenloadingthetelephoneservice,checkinghardwares,updatingthedatafromcallservertoallboards.整个过程需要10-15分钟：将OS(Linux)停用，并再启动，最后加载电话运行软件模块,检测所有板件,所有板件将从CallServer下载数据。,42,ConfiguringIPMediagateway,Thepropose:tomakesuremediagatewaycancommunicatewithcallserver,wehavetoconfiguretheIPaddressandsubnetmaskofIPmediagateway.目的：需要将IP媒体网关的IP地址和CallServer的地址在同一子网或在不同子网时可以互相通信，即GD可以从CallServer下载数据。Example:callserverIP:/24GD:/24本实例CallServerIP:/24GD:/24配置在同一子网中。建议：使用R232线,直接通过串口维护管理。,43,ConfiguringIPMediagateway,44,ConfiguringIPMediagateway,Caution:afterthemodification,havetosavethechange.Thenrestartthesystem,themodificationsareapplied.注意：修改完成退出时,必须保存数据。重启后,配置生效。,45,ConfiguringIPMediagateway,Configurationoncallserver:creatanIPmediagatewayCommand:Loginmgrmediagateway-create在CallServer侧配置：创建IP媒体网关系统登录后-使用mgr管理命令-mediaGateway-create,46,ConfiguringIPMediagateway,SettheMACaddressofGDintocallserverCommand:LoginmgrshelfgodowngodownEthernetparametersconsultmodify将GD的MAC地址写入CallServer中目的：CallServer与GD通过网络通信。系统登录后-使用mgr管理命令-shelf-godown-godown-ethernetparameters-consultmodify,47,ConfiguringIPMediagateway,InputMACofGDintotheblank只需将GD的MAC地址填入CallServer（GD的IP地址将自动识别）,48,ConfiguringIPMediagateway,CheckthestatusofGD:Command:config2GD工作状态查看：使用命令config2（如有异常,请串口连接至GD查看启动过程分析异常原因并排除故障。）,49,BackupandrestoreOPSfiles,BackupandrestoreOPSfilesareusing“swinst”LoginbyrootrightCommand:loginroot-swinstexpertOPSconfigurationOPS文件备份和恢复必须使用swinst工具命令（当系统扩容或升级软件时才需要操作）系统使用root账号登录后-使用swinst管理命令expertOPSconfiguration,50,BackupandrestoreOPSfiles,BackupOPSOPS备份：,51,BackupandrestoreOPSfiles,Copyfilestoharddiskofcallserver将如下文件备份至CallServer硬盘上：,52,BackupandrestoreOPSfiles,TransferthesefilesfromOXEsharddisktoPCterminalUsingFTPclientsoftware将以上文件从OXE硬盘上取到PC上：使用FTP工具（或使用windowsFTP服务）,53,BackupandrestoreOPSfiles,RestoreOPSfiles:copytheOPSfilefromPCtoOXEsharddiskinpath/usr4/BACKUP/OPSCaution:whenrestoreOPSfiles,havetostoptelephoneservice,andrestartthesystem,newOPSareapplied.Command:loginrootswinstexpertOPSconfigurationOPS文件恢复：将新的OPS文件使用FTP工具上传至CallServer的硬盘路径：/usr4/BACKUP/OPS目录注：在OPS文件恢复时,必须停用电话运行模块软件；或重启系统后生效。系统使用root账号登录后-使用swinst管理命令expertOPSconfiguration,54,Backupandrestoredatabasefiles,Backupandrestoredatabasebyusing“swinst”Command:loginrootswinstexpertbackup系统缺省值是3.)mgrtranslatorsuffix,88,Threepartyconference,Operate:Onanalogset,dialtheoperatecodesuchas”*72”,thenpress3Ondigital/IPset,pressconffunctionkey操作：建立在模拟话机上，按业务按键后接会议后缀3，在数字或IP话机上，按Conf动态功能键，取消要取消会议，进行与生效相同的操作。在数字或IP话机上，按Conf动态功能键。如果您在会议建立前释放了正在与您交谈的对方，您将与另一对方交谈。注：如果查询呼叫的始发者后来又是会议发起人在通话期间挂机，两个对方将直接连接。,89,Multi-partyconference,PrefixmanagementCommand:mgrtranslatorprefix前缀管理（目的：创建多方会议的代码;系统缺省值是*44.)mgrtranslatorprefix,90,Multi-partyconference,Createmulti-partyconferenceCommand:mgrshelfboardconsult/modify创建多方会议的资源（创建完成后,GDx或GAx将自动重启后生效。）mgr-shelf-board-consult/modify（GDx或GAx）,91,Multi-partyconference,Operate:Extensionsdial*44+XXXXX(00009999)intotheconferenceroom.操作：内部分机直接按前缀*44+XXXX（0000-9999）进入会场。Externaluserdialdial*44+XXXXX(00009999)intotheconferenceroombyDISA.orintotheconferenceroombyattendant.外部电话可以：通过DISA后，直接按前缀*44+XXXX（0000-9999）进入会场。或呼叫至话务台,通过话务员按*44+XXXX（0000-9999）转接进入会场。,92,Attendant/Attendantgroup,Attendanttype:4035、4049、4059,93,Attendant/Attendantgroup,94,Attendant/Attendantgroup,AttendantgroupCommand:mgrattendantattendantgroup-create话务台组的管理mgr-attendant-attendantgroup-create,95,Attendant/Attendantgroup,AttendantCommand:mgrattendantattendantsetcreate话务台管理（即将话务台归入话务台组中）mgr-attendant-attendantset-create,96,Attendant/Attendantgroup,Attendantfunctions话务台具有功能,97,Attendant/Attendantgroup,AttendanthotkeysconfiguresCommand:mgrattendantattendantsetgodownattendantkeyboardconsultmodify话务台常用功能键定义mgr-attendant-attendantset-godown-attendantkeyboard-consultmodify,98,Attendant/Attendantgroup,Press”0”routingthecalltoattendantCommand:mgrtranslatorprefixplanconsult/modify定义拨“0”呼叫话务台：mgr-translator-prefixplan-conslut/modify话务台使用：详见操作手册,99,Multi-line,Multi-linecanmakeseveralcallsinonesetCommand:mgrusersgodownprog.Keys复线功能是应用于数字、IP电话的基础上；一台终端上可以同时应答多个呼叫。mgr-users-godown-prog.Keys,100,Manager/Assist,Manager/Assistbasedonmulti-linefunction(bothmanagerandassistsetsmustbedigitalorIPsetandconfiguredmulti-linefunction)CreateafilteringtableCommand:mgrspecifictelephoneservicegodownfilteringtable经理秘书功能是基于复线功能基础上（即：经理和秘书分机都必须是数字或IP话机,同时都具有复线功能。）创建过滤条件mgr-specifictelephoneservice-godown-filteringtable,101,Manager/assist,Configuringonassistset在秘书话机上需定义如下键,102,Manager/assist,Configuringonmanagerset在经理话机上需定义如下键,Itwillgenerateautomaticallywhenassistcreatedexecutivefuction在秘书分机创建完executivecall键后，自动生成。,103,Trunk/Trunkgroup,TrunkconfigurationThisconfigurationshouldbedonebyalcatelprofessionalengineers.中继管理（中继部分的参数应由ALCATEL工程师完成，不建议由用户自行修改。）,ShelfAtmDectsystemEventsRoutingDiscriminatorSystemSecurityandAccessControlTranslatorIPCategoriesAttendantUsersProfiledUsersSetProfilesGroupsAbbreviatedNumberingPhoneBookEntitiesTrunkGroups中继管理ExternalServicesInter-NodesLinksX25DATAApplicationsSpecificTelephoneServices,Pressentergoingintomenu回车选中可进入下一个菜单,104,Trunk/Trunkgroup,GodownhierarchyConsult/ModifyConsult/ModifyOverviewofObjectCreateCreateOverviewofObjectModifyModifyOverviewofObjectDeleteFacilities,Goingintonextmenu选中可进入下一层菜单。,105,Trunk/Trunkgroup,在上页菜单中选择“Consult/Modify”项目可进入修改中继组,NodeNumber(reserved):1TrunkGroupId:0TrunkGroupType+NDDI(BCA)TrunkGroupName:NDDINumberCompatibleWith:0RemoteNetwork:15SharedTrunkGroup+FalseSpecialServices+NothingNodenumber:1TranscomTrunkGroup+FalseAuto.reserv.byAttendant+FalseOverflowtrunkgroupNo.:-1Toneonseizure+TruePrivateTrunkGroup+FalsePagingTrunkGroup+FalsePagingTableId:-1PagingSignalization+NDDISecurityPatrol+FalsePrefixSending+Falseauto.DTMFdialingonoutgoingcall+YESDDItranscoding+FalseRegisterSignalling+Decadic/MFQ23,Thisisthemostimportantparameteroftrunkconfiguration.Shouldbechosecorrectly继组类型是最重要的参数，请务必正确选择NDDI（BCA）为模拟中继；T2为PRA-ISDN中继,Setto“YES”.AnddigitalsetwillbeintoDTMFautomaticallyaftercallisanswered.该项目置为YES后，数字话机在出中继进入通话状态后将自动进入双音频发号状态,106,Trunk/Trunkgroup,MoreparametersCommand:mgrtrunkgroupgodowntrunkgroupconsult/modify进一步修改中继组参数mgr-trunkgroups-godown-trunkgroup-consult/modify,NodeNumber(reserved):1TrunkGroupId:0Instance(reserved):1TrunkGroupType+NDDI(BCA)PublicNetworkRef.:outVGfornon-existentNo.+YESEntityNumber:0SupervisedbyRouting+NOVPNCostLimitforIncom.Calls:0ImmediatTrkListeningForVPNCall+YESVPNTS%:50CstaMonitored+NOMax.%oftrunksoutCCD:0Ratioanalog.toISDNtax:-TSDistributiononAccesses+YESQualityprofileforvoiceonIP+Profile#1IPcompressiontype+DefaultUseofvolumeinsystem+YESDiallingendtoend+NOMax.%oftrunksoutCCD:0,107,Trunk/Trunkgroup,Ratioanalog.toISDNtax:-TSDistributiononAccesses+YESQualityprofileforvoiceonIP+Profile#1IPcompressiontype+DefaultUseofvolumeinsystem+YESDiallingendtoend+NODTMFendtoendsignal.+NOPayingIncomingCalls+NOTSPermanentlyassigned+YESMin.Nb.ofdigitsonseize:0TrunkgroupusedinDISA+NODISASecretCode:-DISA密码RoutingToExecutive+NODissuasionForACD+NODTOjoining+YESAutomatedAttendant+NOCallingpartyRightscategory:0AccessClusterId:-1CollectCallsAllowed+YES,T2/T1/T0AccessTrunk,Tomodifytrunkparameters,NodeNumber(reserved):1TrunkGroupId:-1Instance(reserved):1PhysicalAddress:-TrunkCategoryId:1DirectoryName:-TrunkRoutingNumber:-ChannelSpecialization+MixedDataTransparency+YES,SettrunkgroupID,Sametypeofaddressformasextensions格式同分机的设备号一样：ACT号插槽号端口号,108,Trunk/Trunkgroup,Press“9”tomakepubliccallCommand:mgrtranslatorprefixplanconsult/modify定义外线的出局前缀：拨“9”占用外线mgr-translator-prefixplan-conslut/modify,109,Abbreviateddialing,Abbreviateddialingcanmakephonenumbereasytoremember.Command:mgrabbreiatednumberdirectabbrev.Numberingconsult/modify使用缩位拨号功能是为了提高工作效率,将较长的号码缩略为简易方便记忆的号码。mgr-abbreviatedNumber-Directabbrev.Numbering-consult/modify,110,Abbreviateddialing,Linkingbetweenanabbreviatednumberandanactualnumber.Command:mgrabbreviatednumberdirectabbrev.numberingconsult/modifyGodown-create建立缩位号码与实际号码的关系,mgr-abbreviatedNumber-Directabbrev.Numbering-consult/modify-godown-create,111,IPSet,IPsetCommand:mgrusers(4018,4028,4038,4068)IP电话机管理mgr-users中分机类型必须选择IP类型（4018、4028、4038、4068）,112,IPSet,ConfigurationonIPsetIP电话终端操作,113,IPSet,SettingIPaddressofIPset设置IP电话的IP地址,114,IPSet,115,IPSet,116,IPSet,117,IPSet,118,IPSet,119,IPSet,120,IPSet,121,IPSet,122,IPSet,123,IPSet,124,IPSet,125,IPSet,126,IPSet,127,IPSet,128,IPSet,129,IPSet,130,IPSet,131,IPSet,132,IPSet,133,OXERedundancy,作用：不论使用的是哪个平台（应用服务器、CS板或CPU板），通信服务备份都将提供同样的服务：更新备用通信服务器上的备份数据检测主通信服务器是否失去联系并进行切换通过使用备份的通信服务器还可以对其中一个通信服务器进行维护。而且无须中断话机服务就可以安装静态或动态的软件升级补丁。,134,OXERedundancy,NetworkStructure:therearetwotypesofhardware.CallserversareconnectedbyIPnetwork.Thecallserverscanbeinthesamesubnetornot.架构拓扑：在通用硬件和应用服务器上备份在这两种平台上，通信服务器均通过IP网络连接。两个通信服务器既可以位于同一个IP子网中，也可以位于不同的IP子网中（从R6.1开始）。在通用硬件平台上，两个通信服务器均由CS板托管，且必须置于不同的机架中。,Callserversareindifferentsubnet在不同子网中的拓扑,Callserversareinsamesubnet在同一子网中的拓扑,135,OXERedundancy,Redundancyincrystalhardware,Incrystalhardware,twocomservermustbeinoneshelf.在水晶体硬件上，两个通信服务器均由CPU板托管，且必须置于同一个水晶体机框中。,136,OXERedundancy,Duringtheconfiguration正常操作期间：Oncemaincomserverupdated,thenewconfigurationdatawilltransmittobackupcomserverviaEthernet.主通信服务器上的数据更新后，数据将通过以太网链路传输到备用通信服务器。Thereisa“keepalive”dialogbetweenmainandbackupcomserver.Whendialogisdown,thissituationwillindicatingthebackupserverthatthemainserverisdown,andbackupserverwillbethemainone.主通信服务器和备用服务器之间建有一个“保持激活状态”对话。这个对话的连接中断将向备用通信服务器提示主通信服务器已关机。备用通信服务器随即变为主服务器。,137,OXERedundancy,Figuretoshowthe“KeepAlive”dialog在两个通信服务器之间进行更新及“保持活动状态”对话,“KeepAlive”dialogisawayforbothmainandbackupservertomonitoreachother.Thereisatimerintwoservers,eachtimethekeepalivedataistransmittedandreceived,thetimerwillbereset.whenthekeepalivedataistimeout,theserverwillknowthattheanotherserverisdownandstartthepresetprocedure.“保持活动状态”对话用于确保对这两个通信服务器进行双向监视。这两台设备之间不断地有消息来回传递。每次数据交换都由一个计时器进行监视。当监视超时过期之后，通信服务器将检测到它与“双生”服务器的连接中断。仍在运行的通信服务器进而决定所需执行的操作。,138,OXERedundancy,ConfiguringRequest：,139,OXERedundancy,Topology：,LAN,ActivityCPUa,CPUb,BothtothelogicmainaddressofCPU:都指向逻辑main的CPU地址,Switchover,1,2,3,140,OXERedundancy,Configuring：usingcommandnetadmintosetIPaddressofcallserver使用netadmin命令配置CallServer的IP地址setCPUa：（CallServersinsamesubnet）,usingABC-F2tonetworkingornot,DeletingallIPconfiguration,TwoCPUs：setthisonetobea,SetIPaddressandmaskofCPUa,141,OXERedundancy,IPaddandnameoflogicalCPU,InputIPaddandmaskofCPUbinCPUa,InputnameofCPUbinCPUa,InputnameandIPinfoofCPUb,whenCPUbbecomeslogicalCPU,SetupanexternalgatewayforCPUa,142,OXERedundancy,Inputexternalgatewaysaddress,testing：1.runping(CPUa)fromanexternalPC,andreplyisback.,2.Pingcanarrive,whenCPUabecomesmainCPU,143,OXERedundancy,CommandtocheckIPadd：使用命令more/etc/hosts,144,OXERedundancy,Configuring：usingcommandnetadmintosetIPaddressofcallserver使用netadmin命令配置CallServer的IP地址setCPUa：（CallServersindifferentsubnet）,OXE,UsingABC-F2tonetworkingornot.,DeletingallIPconfiguration,SetCPUb,InputIPaddandmaskofCPUa,145,OXERedundancy,InputnameandIPinfooflogicalCPU,InputIPaddressandmaskofCPUainCPUb,inputthenewnameandIPinfoofCPUawhenCPUabecomeslogicalCPU,ExternalgatewayofCPUb,146,OXERedundancy,DatabasesynchronizationofCPUaandCPUbRequirement：twoserversmusthavelicenseofRedundancy.twoserversareusingthesametypehardware.twoserversareusingthesameversionofsoftware.thenetworktwoserversareconnectedmustbefine.telephoneserviceofCPUbmustbestopped.OnCPUb，usingmtcltologinandusingcommandmastercopyxxx.xxx.xxx.xxx（cpuasaddress）,Copythedatabaseandaccountinginfo,147,OXERedundancy,Toverifythecopy.Andtomakesurethecopyissuccess.DonotmakeanyconfigurationonCPUa,148,OXERedundancy,Checkthesynchronization:onCPUa,usingrolebortwin,Notsynchronized,twin,Notsynchronized,149,OXERedundancy,在CPUa侧检查同步使用命令roleb或twin,synchronized,synchronized,150,OXERedundancy,OnCPUb,synchronized,151,OXERedundancy,SwitchingbetweenCPUaandCPUb(CPUaismain）OnCPUa,using“bascul”,Toconfirmswitch-over,Note：duringtheswitch-over,establishedcallwillnotbedisrupted,theestablishingcallwillbedisconnected.Theholdingcallwillbedistributedtotheattendant.,152,PCS,PCS（PassiveCommunicationServer）：PCSisthethirdserverforbackup.Inordertobethebackupofthebackupserver.Whentwocomserversbothdown,PCSwillbecomethecomserver.,singlePCSmode,153,PCS,MultiPCSmode,154,PCS,Instructions:,ThesystemversionfromR7.1addthisfeature.Onlycommonhardware,applianceserverandbladeservercanbesetasaPCS.(CPU6andCPU7isnotallowed)TheRAMequippedonPCSmustnotlessthanCS.IfthemainCPUsareapplianceserver,thecommonhardwarePCSmustequi