Key Trends in Enterprise VoIP 2005: Challenges of IP PBX and Hosted VoIP Services in the United States

Table of Contents

IDC Opinion

In This Study

• Methodology
• Table: Respondents by Vertical Industry, 2004 and 2005

Situation Overview

Figure: Systems and Services Installed Base, 2005

Figure: Systems and Services Installed Base, 2004

• Trends in On-Premise IP PBX Adoption
• Figure: IP PBX Usage, 2004 and 2005
• Figure: Future Installation Plans, 2005
• Figure: IP PBX Management, 2004 and 2005
• Figure: IP PBX Purchasing Decisions, 2004 and 2005
• Figure: IP PBX Brands in Headquarters, 2004 and 2005
• Figure: IP PBX Brands in the Branch Office, 2004 and 2005
• Figure: Features Used with IP PBX, 2005
• Trends in VoIP Services
• Figure: Choosing a Service Provider, 2005
• Figure: Reasons for Choosing Hosted VoIP Services, 2005
• Figure: Cost Savings from Hosted VoIP Services, 2005
• Figure: Features Used with Hosted VoIP Services, 2005

Future Outlook

Essential Guidance

Learn More

• Related Research
• Synopsis