Table of Contents

• Executive Summary
  
• Methodology
  
  • Market Definition
    
• Introduction
  
• Why Buy LAN Telephony?
  
  • What is LAN Telephony?
    
  • The Components
    
    • IP PBX
      
    • Ethernet
      
    • Nodes
      
    • Packet Handsets
      
  • Technical Issues
    
    • Quality Controls
      
    • Quality of Service (QoS)
      
  • Two Types of LAN Telephony
    
    • Differences between IP PBX and Converged PBX
      
  • Standards
    
    • 802.1
      
    • H.323
      
    • Session Initiation Protocol (SIP)
      
• Features
  
  • Moves, Adds, and Changes
    
  • Phone Portability
    
  • Application Integration
    
  • Single Wire
    
  • Call Centers
    
• Vendor Profiles
  
  • 3 Com
    
  • Cisco
    
  • Mitel
    
  • Nortel
    
  • Avaya
    
• Market Share
  
• Market Forecast
  
• Conclusion

List of Tables

• Table 1: 2002 US LAN Telephony Vendors' Share of Stations Shipped Compared as a % of Total 2001
  
• Table 2: BCM Features
  
• Table 3: Avaya IP Platform Scalability
  
• Table 4: US LAN Telephony Market Share by Stations and Annual Growth
  
• Table 5: US LAN Telephony Market Share by Systems and Annual Growth
  
• Table 6: US LAN Telephony Market Shares by End-User Revenues in (US$ in Millions)
  
• Table 7: 2000-2007 US LAN Telephony Forecast by Stations (Units in Millions)
  
• Table 8: 2001-2007 LAN Telephony Forecast by End-User Revenue (US$ in Millions)

List of Figures

• Figure 1: LAN Telephony Basic Diagram
  
• Figure 2: 3Com NBX Business Telephone
  
• Figure 3: Voice Quality Error Margins
  
• Figure 4: 3Com NBX Product Line
  
• Figure 5: 3Com Productivity Tools
  
• Figure 6: 3Com Administrative Tools
  
• Figure 7: Cisco LAN Telephony Product Line
  
• Figure 8: Mitel 5200 Series IP Handsets
  
• Figure 9: Nortel BCM Network Diagram
  
• Figure 10: Nortel Network Diagram
  
• Figure 11: Avaya IP Product Line Migration: First Step
  
• Figure 12: Avaya IP Product Line: MultiVantage
  
• Figure 13: Avaya IP Product Line: Greenfield Installation
  
• Figure 14: US LAN Telephony Market Share by Stations
  
• Figure 15: US LAN Telephony Market Share by Systems
  
• Figure 16: US LAN Telephony Market Shares by End-User Revenues
  
• Figure 17: 2000-2007 US LAN Telephony Forecast by Stations (Units in Millions)
  
• Figure 18: 2001-2007 LAN Telephony Forecast by End-User Revenue (US$ in Millions)