Services over Internet Protocol: Voice is just the beginning… - WITSA

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IP Enabled Voice Services – The Early DaysNCPNCPPSTNLocalLocal NetworkLECADJEdge-to-Edge CircuitEdge SwitchEdge SwitchUpchainADJ4ESS4ESSReal Time Network RoutingPBXInt’lCarrierNGBENGBECCEIP/Internet CoreNGBEPNBEInt’lCarrierLocal CLEC/ILECCustomer Router/Gateway12Advanced Voice Features Across TDMVoIP transport with hop-on/hop-offCopyright 2004 AT&TPBXDefinitions• BE – Border Element• CCE – Call Control Element• ING – Integrated Network Gateway• NCP – Network Control Point• NGBE – Network Gateway BorderElement• PNBE – Peer Network BorderElement
IP Enabled Voice Services – Today’s Build-outLECLEC - TDMWholesaleCustomerIP PBXEVPNCarrierES-INGIP-Enabled Edge ℡SIPCPENGBEPNBEIP ResidenceDSLCableEtc.LocalBE App SrvrCCEIP/MPLS/Internet CoreLocal INGAppSrvr AppSrvrIP - ApplicationsMediaSrvrIP-Enabled Local NetworkSIPPNBENGBEES-INGInt’lCarrierIP-Enabled EdgePBX - TDMLECInterconnect local, toll & international switches with IP.Replace Adjuncts with Media Servers to reduce capex.Interconnect private VPNs with public VoIP services.13Copyright 2004 AT&TDefinitions•BE – Border Element•CCE – Call Control Element•ING – Integrated Network Gateway•NGBE – Network Gateway Border Element•PNBE – Peer Network Border Element•BS - Business
Page 3 and 4: Top Ten Technology Trends1. IP Will
Page 5 and 6: From:The Communications Industry is
Page 7 and 8: IP Enables the Next Generation of A
Page 9 and 10: VoIP
Page 11: The Eras of VoIPEmergingApplication
Page 15 and 16: TraditionalTelecomServicesVoice Bec
Page 17 and 18: Definitions• Internet Telephony:
Page 19 and 20: The Evolution of Residential VoIPCo
Page 21 and 22: Emerging VoIP Revenues (hardware an
Page 23 and 24: Who Should Set Policy for Global IP
Page 25 and 26: International VoIP: Where it’s Gr
Page 27 and 28: What WITSA Might Do to Ensure VoIP

Services over Internet Protocol: Voice is just the beginning… - WITSA

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