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Service
provider
Supplier1
SupplierN
90% VoIP traffic
90% VoIP traffic
RTP Proxy +
Voipmonitor
RTP Proxy +
Voipmonitor
10% of VoIP
traffic
10% of VoIP
traffic
Sevana
analysis
Sevana
analysis
Amplitude clipping
VAD clipping
Stuck
Clicking
SNR
Echo
DTMF – coming soon
FAX – coming soon
Multiple time windows to analyze
quality impact
Average quality impact for the whole
time window
Most influencing impairment for each
time window
Statistically predicted MOS score
Variety of algorithms to evaluate
overall supplier quality
Flexible parameters tuning
Passive Call Quality Monitoring in VoIP

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Passive Call Quality Monitoring in VoIP

  • 1. Service provider Supplier1 SupplierN 90% VoIP traffic 90% VoIP traffic RTP Proxy + Voipmonitor RTP Proxy + Voipmonitor 10% of VoIP traffic 10% of VoIP traffic Sevana analysis Sevana analysis Amplitude clipping VAD clipping Stuck Clicking SNR Echo DTMF – coming soon FAX – coming soon Multiple time windows to analyze quality impact Average quality impact for the whole time window Most influencing impairment for each time window Statistically predicted MOS score Variety of algorithms to evaluate overall supplier quality Flexible parameters tuning