4G Calling definition

4G Calling. You’ll need a 4G calling compatible phone to make and receive calls over our 4G network. 4G Calling is not available when roaming. Wi-Fi Calling: When in the UK, if you have a compatible device and the correct software, you can use your minutes allowance to make calls using Wi-Fi Calling (see ▇▇.▇▇.▇▇/▇▇▇▇▇▇▇▇▇▇▇ for terms).
4G Calling means the ability to make and receive a voice call and send and receive Texts using the 4G Mobile Network.
4G Calling means the ability to make and receive a voice call and send and receive SMS using BT’s 4G Mobile