企业通讯整合

企业通讯整合內容主題通訊趨勢網路服務趨勢企業通訊整合通訊趨勢V.I.P.V.I.D.Video,Voice,Internet,Data,overIP有線通訊:多重服務之架構TDMSwitchDACSSONET/SDHADMVoiceFRSwitchATMSwitchSONET/SDHADMPPPConcentratorIPRouterATMSwitchSONET/SDHADMIPDACSSONET/SDHADMPrivateLineATMSwitchSONET/SDHADMDWDMFiberOpticsFrameRelayATMSeparateServiceInfrastructuresFrameRelayATMDWDMFiberOpticsIPPrivateLineMulti-ServiceSwitchIntegratedServiceInfrastructureVoice網路服務提供商NetworkServiceProviderRADIUSServersBillingServersNameServersDataVPNUnifiedMessagingNetworkManagementServiceandBusinessManagementNetworkDatabasesPSTNFeaturesServersResourceServersNetworkServicesxDSLVoiceATMLANsWirelessFirewall...FixedAccessMobileAccess2G+3GPSTN/ISDNPOTSISDNPOTSISDNNIUInternetSDH/O