Copyright  StarVox, Inc, - All Rights Reserved- Services Platform Requirements for for Next Generation Networks Next Generation Networks Rich Barry - StarVox Rich Barry - StarVox

Copyright  StarVox, Inc, - All Rights Reserved - Page 2 Requirements Summary Open Architecture High performance, high availability platform Full range of consumer & business services supported –Full integration with legacy networks New value added services provided Full services delivery and support Simple to deploy services to consumer and business sites –Java applets / voice cards in Cisco routers for access GW

Copyright  StarVox, Inc, - All Rights Reserved - Page 3 Open and Standardize the Telephony Infrastructure Open Architecture Standards-Based Packet Infrastructure Layer Standards-Based Open Call Control Layer Open Service Application Layer TDM/ Circuit Switch Digital Trunk Subsystem Subsystem LineConcentrationLineConcentration AdministrationMaintenanceBillingAdministrationMaintenanceBilling Call Control Connection Control Features Call Control Connection Control Features Common Channel Signaling Complex Common Channel Signaling Complex Switching Network Open/Standard Interface

Copyright  StarVox, Inc, - All Rights Reserved - Page 4 High Performance / High Availability Platform Carrier Grade Performance and Availability On-line upgrade of services On-line service provisioning Scalable server range Capacity based pricing Carrier grade virtual machine execution environment NEBS compliant servers Aggressive Third Party Developer Program ISV ECO system Plug-in technology for external C++ applications Converged Network Support VoIP as well as PSTN service control H MGCP + SS7/INAP, AIN

Copyright  StarVox, Inc, - All Rights Reserved - Page 5 Managed IP P S T N Full Range of Consumer Services with Legacy Networks Integration P O P Dial-up Modem Mobile consumers Consumers using ISP dial-up services Consumers with high speed dedicated access Consumers without PSTN phone service but with IP access P O P Dial-up Modem DSL/Cable Modem

Copyright  StarVox, Inc, - All Rights Reserved - Page 6 Managed IP P S T N Full Range of Consumer Services with Legacy Networks Integration P O P Dial-up Modem Mobile consumers Prepaid calling card 800# support Consumers using ISP dial-up services Virtual second line Internet call waiting Consumers with high speed dedicated access Virtual second line Consumers without PSTN phone service but with IP access Primary Line P O P Dial-up Modem DSL/Cable Modem

Copyright  StarVox, Inc, - All Rights Reserved - Page 7 Mobile workers with IP access TDM PBX workers with IP access Managed IP P S T N Legacy PSTN / Voice VPN / Private Voice Network / Centrex DSL/Cable Modem PBX V P O P Dial-up Modem P O P Dial-up Modem High speed access Telecommuters with high speed access Telecommuters with dial-up access Mobile workers with PSTN access PBX / Centrex workers with TDM access Full Range of Business Services with Legacy Network Integration

Copyright  StarVox, Inc, - All Rights Reserved - Page 8 Core Business Services Voice VPN (small, medium, large enterprises) Equivalent functionality to legacy Voice VPNs –Enterprise custom dial plan emulation and integration Full integration with legacy PBX, Centrex systems Full integration with legacy private lines, TDM voice VPN Full integration with IP PBXs, IP phones IP Centrex (small, medium, businesses) Equivalent functionality to legacy Centrex Support for H.323 phones Support for POTS phones via MGCP

Copyright  StarVox, Inc, - All Rights Reserved - Page 9 New Value Added Business Services Telecommuters - “Virtual Voice Office” IP-based OPX (w/ PBX DID) “Twinning” of telecommuter POTS phone and office phone Mobile Workers - “Virtual Voice Office” IP-based OPX (w/ PBX DID) “Twinning” of IP softphone and office phone Mobile Workers and Telecommuters (One number / one mailbox) Answer PBX phone calls with any PSTN, cell phone Unanswered calls go to PBX voic DSL / Cable Modem High speed access

Copyright  StarVox, Inc, - All Rights Reserved - Page 10 HPC Service Providers: Telcos and ISPs Service Providers and/or retailers End users: domestic or corporate Services Platform: hardware, software Value Added Services: telephony applications System Integration: network & OSS Service Operation Service Retail Service Usage IP Infrastructure: routers, gateways Full Service Delivery and Support

Copyright  StarVox, Inc, - All Rights Reserved - Page 11 Full Service Delivery and Support Infrastructure Provider Guarantee interoperability with services platform Strong current relationship with service provider Platform Provider Proven vendor of services platforms World class support organization Application Provider Core and value added services roadmap Systems Integrator(s) Skill set in network / OSS integration

Copyright  StarVox, Inc, - All Rights Reserved - Page 12 Voice For The Next Generation Network HP Europe Contacts: Claude Florin Doug Goldberg StarVox Europe Contact: Rufus Greenbaum