Call quality analysis with Voiceye

VoLTE and 5G global upsurge

We are facing a dynamic growth of VoLTE subscribtions in Europe and world-wide:

56.57% increase of CAGR for the period 2020-2025

Besides supporting everyday service trobleshooting and managment of IP-based voice ecosystems, Voiceye Analytics also contributes to higher level business cases.

Lowering the risk of churn and attracting new subscribers

  • Improving customer satisfaction
  • Prevention of complaints: provides data to find subscribers with issues
  • Providing global call quality statistics
  • Voiceye export data supports the generation of call quality maps
  • Decreasing mitigation times by collating MSISDNs and phone models with issues

Technical use-cases

  • Verifying user complaints: root-cause analysis of calls with quality issues
  • Monitoring and aggregating call KPIs
  • Monitoring the ratio of one sided and asymmetric calls
  • Detecting volumetric quality degradation
  • Correlating SIP events and RTP performance
  • Tracing the call quality from VoLTE-SBC access side, through the IMS core, to the access side of the ISBC towards a specific operator or connection
  • One-sided calls
    • missing or low quality media in one direction
    • voice activity detection issues
    • assists separating UE and network related causes
  • Associate Voiceye KPIs and MOS values with radio cells and geolocations
  • Codec performance analytics in the time domain
    • changes in the measured media bitrate
    • sampling frequency
    • and VAD state
  • Calls terminated by the SBC with Netfail-by-no-media