Https://community.qnap.com/t/quick-full-list-official-ota-1-877-245-9984-of-lufthansa-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/2881 https://community.qnap.com/t/quick-full-list-official-ota-1-877-245-9984-of-lufthansa-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/2881 https://community.qnap.com/t/quick-full-list-offici... https://community.qnap.com/t/quick-full-list-official-ota-1-877-245-9984-of-lufthansa-airlines-customer-service-24-7-live-person-support-numbers-a-complete-guide/2881