Audio Call Quality Testing Solution
The Audio Call Quality Testing in LANforge system measures the voice signal quality for
VoIP/SIP and mobile devices using POLQA scoring tool.
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LANforge system initiates VoIP/SIP calls using VoIP gateway and plays/records testing audio file over the call.
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LANforge system manages mobile devices wirelessly and plays/records testing audio over call using Bluetooth or analog cable channel.
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The industry standard for assessing the quality of voice calls, POLQA (Perceptual Objective Listening Quality Analysis), generates a score based on the
comparison of a reference and received audio signal.
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Listening conditions such as Narrow Band (NB) and Super Wide band (SWB) are both supported by LANforge system.
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Test supports Android/IOS mobile devices using cellular network types such as VoLTE, VoNR, and others.
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Graphical test reports are generated along with .csv data.
Key Measurements:
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MOS-LQO (Mean Opinion Score - Listening Quality Objective)
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Attenuation
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Average Delay
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SNR (Signal To Noise ratio)
Sample Report Screenshots:
Sample Reports:
Network Diagrams:
- VoIP/SIP and Mobile calls using POLQA (Basic Setup: Single location)
- Mobile to Mobile calls using POLQA (Basic Setup: Single location)
- Mobile to Mobile calls using POLQA (Basic Setup: 4 devices, single location)
- Mobile to Mobile calls using POLQA (Advanced Setup: 4 devices, single location, using same network)
- Mobile to Mobile calls using POLQA (Advanced Setup: 4 devices, multiple locations, using cloud manager)
Cookbooks:
Lead Times and Support:
Lead Times: Two to three weeks.
TaaS/Onsite Support: Customers with only occasional test needs can use our Test as a Service option.
Candela engineers can do the testing for you in our fully equipped test lab and provide a detailed test report with recommendations.
For more information, please contact sales@candelatech.com
or give us a call at: 1-360-380-1618
