John Chun Co-founder, VP Marketing IP Telephony Made Easy Bubb Road Cupertino, CA 95014

Mission Statement IP telephony provider of choice in the telecommunications revolution the To be

Problem? 13,000+ ISPs, that all look alike 33% customer churn 1,500+ Network Providers all selling bandwidth ISPs Next Generation Network Providers

Solution! ISPs Next Generation Network Providers Mockingbird provides the end-to-end hardware and software solutions that enable Packet Voice services over data networks Leveraged Sales Model

IP Telephony Made Easy Carrier-class Hardware State of the art DSPs 600 ports in a 7 inch rack Sun Solaris OS Software Real-time Billing Pre-paid Cards Backoffice/OSS Customer Care Plug-and-Play Proprietary signaling algorithms (SS7/C7, R2, ISDN) Universal protocol engine Standards-compliant (MGCP, SIP, H.323) Network Management

Market Positioning Buyers Needs Suppliers Single enterprise network mgmt PBX replacement 100’s of ports Central Office Design SS7 signaling > 100,000 port density Carrier-class, SS7 connectivity Plug-and-play installation Distributed switch scalability Data Networks Legacy Voice Networks Next Generation Voice/Data Network

We Have Liftoff... Fall 1997 Company Start Winter 1997 Recruited Core Engineering Team Winter 1998 Nuvo 100 Field trials Summer 1998 Seed Financing

Staging March 1999 Introduced Nuvo 500 August 1999 Introduced Entry-level Nuvo 200 June 1999 Nuvo 500 GA First Revenue Shipment Spring 1999 Recruited Operations & Sales Team

Shooting For The Stars Summer 2000 Ship 10,000 ports May 2000 Next Gen GA January 2000 Carry 1 million minutes through Nuvo boxes December 1999 Next Gen Lab Demo

Business Model Hardware Software $198M $1. $1.6M $61M Services

Expertise and Experience Acting CEO, Co-founderCraig Forney VP Marketing, Co-founderJohn Chun VP EngineeringCraig Forney VP SalesGene Daly VP Systems EngineeringMark Fogarsi VP Business DevelopmentTom Hakel VP of OperationsAlex Finch Advisory Board Cisco, Nortel, Summa Four Bell Canada, BancBoston Robertson Stephens Cabletron Systems

Summary Market is exploding, with no incumbent market leader Telco-in-a-box makes it easy We’re shipping product today! Exciting investment opportunity