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NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKsusen@bupt.edu.cn2NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK••VoIP•••••UniNet••3NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•••4NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•VoIP•••5NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKSoftswitchSoftswitchControlLayerAccessLayerDatabaseApplicationServersPolicyServerApplicationLayerAAAServerDirectoryServerSCPCorePacketNetworkCoreTransportLayerRouterOpenProtocolsorAPIsProtocolsProtocols6NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•••7NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKVoIP•IP•IP•IP•IP8NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKIP•IP/•IP•IP•IP•IP•IP9NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKIPIPIPIPIPPSTN/ISDN/GSMPSTN/ISDN/GSM10NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKIPAB11NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK••••••12NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–•–/–13NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–•–•–•–SSP•–•14NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–ISUP,TUP,PRI,BRI,BICC,SIP-T,H.323•–TCP,UDP,SCTP,M3UA•–H.248,SIP,MGCP•–PARLAY,INAP,MAP,LDAP,RADIUS•–SNMP,COPS15NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–API•–•–•–VIDEO•–SCP16NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•AccessPlaneManagementPlaneService/ApplicationPlaneControlPlaneMSASNMCIADMGSGSSOSSApplicationProvidersPSTNAccessNetworkSS7NetworkSIPorH.323NetworkExternalSoftSwitchINSignalingGatewaySS7/IPMediaGatewayPSTNIPIntegratedAccessDeviceMediaServerApplicationServerNetworkManagementCenterSoftSwitch––––17NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKExternalSoftSwitchSIPorH.323NetworkINPSTNAccessNetworkSS7NetworkApplicationProvidersOSSSoftSwitchSystemISDNPRIETSIISDNITUISDNDMSSwitch5ESSSwitchMF-R1MFC-R2(V5.2ISUP,MTP(ITU/ANSI)SNMP(IETF):RTP/RTCP(IETF)IP:SIP,H.323(IETF)INAP,TCAP,SCCP,MTP(ITU/ANSI)SIP-T/BICC(IETF)ParlayAPI/SIP18NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKMailSNMPISUP/TCAP/SCCP(Sigtran)MGCPMGCPMGCPParlayAPI(SIP)19NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK••••20NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–No.7IP•–No.7•No.7IP–•ISDNIP,MG•–SigTran21NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–•–•C4/C5–••–MGCPH.24822NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•–•Tonedetection,speechsynthesis,speechrecognition–•Playprompt,recordmessage•–MGCP–SIP23NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKAPI•–ParlayAPI•(SME)–––––•(SCE)–/––––/–••API•Script(XML)•(SLEE)––––24NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•SIP•MGCP•H.248•SigTran•ParlayAPI25NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKSIP•SessionInitiationProtocol26NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKMGCP•MediaGatewayControlProtocolMGCP/27NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKMegaco/H.248•Megaco/H.248ITUIETFMGCPMGCP:–Megaco-IETF.–H.248–H.248.28NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKSIGTRAN•SigtranIPSS729NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•API••–SS7,IP,WirelessParlayAPI–ParlayAPI30NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKParlayAPICapabilityServerApplicationServerSecureDomainApplications31NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•PSTN••VoIP32NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKClass4SwitchClass5SwitchClass5SoftSwitchClass4SoftSwitch33NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKNGNSoftSwitchPSTNSoftSwitchSoftSwitchPSTN34NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKINSCPSCPSoftSwitchApplicationServerApplicationServerEnterpriseApplicationServer35NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKUniNetCiscoMGx8850AS5300AudiocodeTP610OSSApplicationProvidersPSTNSS7NetworkSIPorH.323NetworkIN:Audiocode:MP100AccessNetwork:CompaqIPSGv2IntelSG430DUniNetSS1000AS1000ExternalSoftSwitchMS1000ConvediaCMS600036NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK••QoS)37NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•QoS••QoS38NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKQoS•••39NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKQoS•RSVPRFC2205–Resource-ReservationProtocol•DiffServ:RFC2475–DifferentiatedService•MPLS–Multi-ProtocolLabelSwitching40NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKQoS•QoS•COPSCommonOpen-PolicyServiceprotocol)–PEP:PolicyEnforcementPoint•–PDP:PolicyDecisionPoint•41NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK••42NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•SIEMENSSURPASS•ALCATELA5000A5020•NORTELSUCSESSION•ERICSSON•SS10•SONUSGSX900043NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•••••44NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORK•NGN•NGNQoS•NGN45NKLOFSWITCHINGTECHNOLOGYANDCOMMUNICATIONNETWORKThanksThanks