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SUMMARY
Summary
This In-Depth Analysis is an investigative report on the state of performance
monitoring and management for voice call quality in Voice-over-IP (VoIP)
applications and why performance management is important. It discusses the
factors affecting voice quality and provides the differing perspectives from
business users, service providers, and systems vendors. Voice quality
performance metrics, standards, and interoperability in development, as well
as relative vendors' positioning are covered. Finally, a set of
recommendations is provided for each of the industry constituents.
TABLE OF CONTENTS
- Executive Summary
- Introduction
- Voice-over-IP (VoIP) Deployments on the Rise
- Voice Quality a Hurdle to Greater VoIP Deployment
- Many Factors Affect Voice Call Quality
- Methodology
- Why Is Voice Call Quality Monitoring Important?
- Quality-of-Service (QoS)
- Quality-of-Experience (QoE)
- Differing Perspectives About Performance Measures
- Business Users' Perspective
- Service Providers' Perspectives
- Systems Vendors' Perspectives
- VoIP Performance Metrics
- Network Parameters
- Voice-Specific Parameters
- Standards and Interoperability
- ITU-T
- IETF
- SIP Forum
- Wi-Fi Alliance
- VoIP Performance Management
- Pre-Deployment Planning
- Ongoing Operations
- Real-Time Monitoring
- Proactive Monitoring
- Troubleshooting and Diagnostics
- Mean Times to Notification and Repair
- Reporting Capabilities
- Dashboard Features
- Archiving
- Network Optimization
- Dynamic Bandwidth Allocation
- Product Capabilities and Positioning
- Network Tools Evolution
- Instrumentation
- IP Optimized Performance Products
- Voice Optimized Performance Products
- IP Telephony System Vendor Alliances
- Dashboard Capabilities Examples
- Relative Positioning of Vendors
- Manager of Managers (MoMs)
- Remote Monitoring Services
- Conclusions and Recommendations
- Conclusions
- Recommendations
- Business Users
- Service Providers
- Systems Vendors
- Glossary
- Related In-Stat Reports
List of Tables
- Table 1. VoIP Deployment Plans Among Current VoIP Users
- Table 2. Codec Standards and Performance Parameters
- Table 3. When Evaluating the Deployment of VoIP, Which, If Any, of the
Following Operational/Technical Areas Is the Most Important Concern to Your
Organization?
- Table 4. Presence of IP Among Businesses Currently Using VoIP
List of Figures
- Figure 1. VoIP Penetration Among US Businesses
- Figure 2. Satisfaction With VoIP Call Quality
- Figure 3. R Factor to MOS Conversion
- Figure 4. Screen Shots of Dashboard Examples
- Figure 5. Relative Positioning of Vendors
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