Understanding of effective monitoring and troubleshooting of real VoIP infrastructures. Presentation of how to prepare network infrastructure for a VoIP traffic and how to ensure desired high quality VoIP. How to get information about root cause problem from CDRs and IP SLA.

1. Effective VoIP troubleshooting using CDRs
and IPSLA Operations
Presented By: Michal Hrncirik and Francois Caron
COPYRIGHT © 2012, SOLARWINDS WORLDWIDE, LLC. ALL RIGHTS RESERVED.
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2. VoIP and Network Quality Manager
» Why is VoIP management so important?
 IP Networks were not built with Quality of Service in mind
» SolarWinds® VoIP & Network Quality Manager 4.0
 Standalone product
 Support for Cisco® Call Managers v7.x and v8.x
 Ability to obtain CDR and CMR files
» What problems does VNQM 4.0 solve?
 Detection of low quality calls (real-time alerts or interactive filtering to
detect patterns)
 Troubleshooting of actual phone calls (vs. synthetic transactions)
 Quality assurance and pre-deployment baselining via IPSLA technology
(synthetic transactions)
 Correlation of IPSLA and CDR data, for advanced troubleshooting (e.g.
isolation of the router impacting the call quality, along the call path)
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3. VoIP and Network Quality Manager
» How does Cisco IPSLA works?
 Traffic simulation
 Type of operations
 Supported devices
» What are Call Details Records?
 How does it works?
 Troubleshooting
 Capacity planning
» Why is the combination of IPSLA and CDRs so effective for
resolving VoIP issues?
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4. Summary
» VNQM = effective tool for VoIP troubleshooting and quality
assurance
» Try our free 30-days fully featured trial version
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5. Thanks for your attention!
» Q&A
Q&A
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