https://techcommunity.microsoft.com/discussions/azureswitzerland/is-virgin-customer-service-24-hours/4307678
https://techcommunity.microsoft.com/discussions/azureswitzerland/is-virgin-mobile-customer-service-24-hours/4307648
https://techcommunity.microsoft.com/discussions/azureswitzerland/delta-airlines-en-espa%C3%B1ol-telefono–%C2%BFc%C3%B3mo-llamar-a-delta-airlines-en-m%C3%A9xico/4307525