Https://forums.lenovo.com/t5/Lenovo-Android-based-Tablets-and-Phablets/23-Ways-To-Talk-To-Someone-At-British-Airways-Via-Phone-A-Step-by-Guide/m-p/5386693 https://forums.lenovo.com/t5/Lenovo-Android-based-Tablets-and-Phablets/23-Ways-To-Talk-To-Someone-At-British-Airways-Via-Phone-A-Step-by-Guide/m-p/5386693