© Copyright 2003 Frost & Sullivan. All Rights Reserved. North American Enterprise IP telephony Markets F ICT Acceptance of IP Telephony

© Copyright 2003 Frost & Sullivan. All Rights Reserved. Industry Trends SIP – Hype, Hope or Reality? Taming the VoIP Regulation Stallion To Host or not to Host Chipping Away – Advancements in Chip Manufacturing A PBX in a Router

© Copyright 2003 Frost & Sullivan. All Rights Reserved. Key Features Frost & Sullivan Provides: Detailed insights into recent developments and trends Drivers, restraints, challenges, and strategic recommendations Market sizing and competitive analysis Market forecasts and opportunity analysis End user analysis within each report

© Copyright 2003 Frost & Sullivan. All Rights Reserved. What We Offer Global Coverage: U.S., Europe, Japan, and Asia Proven methodology encompassing extensive primary and secondary data and research Focused information and strategies that cover business and technology issues Credible data and analysis highlighting industry dynamics Winning strategies to help you create precise business plans

© Copyright 2003 Frost & Sullivan. All Rights Reserved. Who Will Benefit?  Current Market Participants  Find out how you compare to the competition  Assess current and future drivers and restraints  Determine and exploit new market share opportunities  New Entrants  Analyze challenges associated with the industry  Calculate time scales for strategy implementation  Position yourself to capitalize on the market’s unmet needs  Investment Community  Analyze long-term strategies of conferencing and collaboration vendors  Determine the participants that will outperform the competition  Assess attractiveness of investing in the enterprise instant messaging market

© Copyright 2003 Frost & Sullivan. All Rights Reserved. What’s Included IP Telephony Revenue Forecast IP-Enabled Market Forecast IP-PBX Market Forecast IP Phones Market Forecast Actual IP Licenses Shipment Forecast North American Telephony Market Share by Revenues North American IP-Enabled Market Share by Revenues North American IP-PBX Market Share by Revenues North American IP Phone Market Share by Revenues North American CPE Market Share by Revenues North American CPE Market Share by Shipments Vendor Analysis

© Copyright 2003 Frost & Sullivan. All Rights Reserved.  Alcatel SA  Avaya, Inc.  Cisco Systems, Inc.  Mitel Networks  NEC  Nortel  Siemens Communications  ShoreTel Key Market Participants

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