Some of our customer use-cases for global toll free numbers include: Clinical Rehab and Patient Care: Centers that set up a UIFN as a helpline and for family members to call-in to patients. Universities: A UIFN allows universities to have the same call in number around the world for remote campuses and desktop support. Data Centers and Software Services: We provide UIFN service for one of the largest data center companies in the world. They use a UIFN as a global service/support line across multiple centers. Medical Research Companies: Specifically, researchers that conduct medical studies and wanted each research team to be able to call into the same number structure globally.