VoWiFi - Voice over WiFi

VoWiFi allows subscribers to conduct voice calls whilst using a WiFi access network. Call control is based on IMS and in many cases, the VoWiFi is integrated with the service providers VoLTE service offering. Therefore, subscribers can switch between LTE and WiFi access during a call.


  • Fully interactive 3GPP based network map
  • Narrated call flows
  • Detailed network procedures

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