VoWiFi, aka Wi-Fi calling has long been in the DNA on the WBA, with earliest work dating back to 2015. This latest white paper, authored by the GSMA 5G Voice over Wi-Fi Task Force (5GVoWiFi TF) is a result of collaboration amongst a number of TF member companies as well as contributions from the Wireless Broadband Alliance (WBA) and Wireless Broadband Association (WBBA).
VoWiFi or Wi-Fi Calling has been deployed by numerous operators worldwide over the past decade. With the advent of the 5G era, there are new requirements emerging for Wi-Fi Calling in 5G:
The White Paper covers the following:
- Why Wi-Fi Calling is needed under diverse scenarios and services
- Use cases on the ground, at sea and in the air
- Network architecture for Wi-Fi Calling via 5G Core
- Characteristics of Wi-Fi Calling networks and technologies for performance and security
- Business models and trials results
