CFL Telephone
CFL offers a booking hotline where FIP 50 Tickets can be purchased. The hotline is available in Luxembourgish, French, German, and English.
To authenticate FIP eligibility, a photo of the inside of the FIP Card for all travelers must be sent by email to callcenter@cfl.lu during the booking process. Payment is then made by credit card via a 15-minute payment link sent by email.
CFL charges a booking fee of €5 per booking.
Personal Tip
To avoid additional costs when calling abroad, you can use the Satelliteapp. It offers 100 free minutes per month for international calls. However, registration may take a few days.