VoLTE and VoWifi promise superior user experience not the least by enabling high-quality codecs, such as EVS.

Yet, the radio interface is a potential source of unstable user experience caused by

  • Moving end devices
  • Unstable radio conditions
  • Changing codec modes / bitrates

Keeping control of the user experience requires to look at every single SIP and RTP packet. Conventional approaches, especially to media monitoring, won’t help anymore.

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