This report tracks quarterly residential usage of both network/ATA-based (e.g., Vonage, Comcast Digital Voice) and client-based (e.g., Skype, Windows Live Messenger) VoIP services, including subscribers, users, households, and market share (approximately top 20 VoIP service providers overall) through the fourth quarter of 2006. It also summarizes our comprehensive quarterly snapshot of usage trends and behaviors and competitive developments. The report is based on data from quarterly end-user surveys and ongoing market analysis.

In addition In-Stat offers a full report package which provides analysis of usage patterns and trends including number of calls, length of calls, international calling, business versus personal calling, user satisfaction, intent to churn, and other key market dynamics.

Table of Contents

• Key Findings
• Objectives and Approach
• Definitions
• Methodology
• Market Overview
• Households versus Users
• Market Share
• Penetration
• Selected Client-Based VoIP Service Providers
• Selected Network/ATA-Based VoIP Service Providers

This report tracks quarterly residential usage of both network/ATA-based (e.g., Vonage, Comcast Digital Voice) and client-based (e.g., Skype, Windows Live Messenger) VoIP services, including subscribers, users, households, and market share (approximately top 20 VoIP service providers overall) through the fourth quarter of 2006.

In addition to overall user/subscriber estimates and market shares, this full report provides a snapshot of usage patterns and trends including number of calls, length of calls, international calling, business versus personal calling, user satisfaction, and intent to churn. It also provides analysis of the strategies of providers offering VoIP services. The report is based on data from quarterly end-user surveys and ongoing market analysis which is included with the deliverable.

Table of Contents

• Executive Summary
  • Key Findings
  • Objectives and Approach
  • Definitions
  • Methodology
  • Market Overview
  • Households versus Users
  • Market Share
  • Penetration
• Competitive Dynamics
  • Overview
  • Selected Client-Based VoIP Service Providers
  • Selected Facilities-Based VoIP Service Providers
• Market Analysis
  • Users Per Household
  • Age of Users
  • Use of Services by Type
  • User Satisfaction
  • Calls by Destination
  • Business versus Personal Use
  • Number of Calls per Day and Month
  • Average Call Duration
  • Distribution of Monthly Telephone Usage
  • PSTN Displacement
  • Migration Among Service Providers
  • Expected Change in Household VoIP Usage
  • Client-Based VoIP Features and Capabilities
  • Use of Peripherals
  • VoIP Sales/Distribution Channels