Wi-Fi and 4G calls just arrived on BT Mobile

BT Mobile has announced that it will now support data calling over both Wi-Fi and 4G connections. Data calling can mean audio calls even when a network connection isn’t available but Wi-Fi is up and running – ideal for rural black spots.

https://www.techradar.com/news/wi-fi-and-4g-calls-just-arrived-on-bt-mobile

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