Chapter 9: Tools
Testing Tools
257
Analysis to debug VoIP phone problems and quantify the quality
of a VoIP call.
Quickly diagnose IP phone boot-up and call control problems
Measure key VoIP metrics, including frames sent, dropped
frames, and Mean Opinion Scores (MOS)
Historically, MOS was a call quality score based on listeners’
subjective assessment of call quality. The ITU-T PESQ P.862
standard was created to provide an objective method for
predicting the quality of services such as VoIP. It includes a
calculation that quantifies an IP network’s performance, and
thereby predicts call quality.
R-Factor is a call quality score based on parameters such as
latency, jitter, and packet loss.
To Configure VoIP Analysis
Connect the OneTouch AT analyzer in-line between the VoIP
phone and the switch as described below.
1
Connect the OneTouch AT analyzer’s Port A to the switch.
2
Connect the OneTouch AT analyzer’s Port B to the VoIP
phone.
3
On the HOME screen, tap
TOOLS .
Summary of Contents for OneTouch AT G2
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Page 291: ...Chapter 9 Tools Testing Tools 275 Figure 118 Wi Fi Network Validation Results Tab ...
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