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Passive Call Quality Monitoring in VoIP

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Sevana Oü
Sevana Oü

Sample setup for passive call quality monitoring in VoIP based on voice impairments analysis.

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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