Data protection complies with the applicable regulations, in particular the Federal Data Protection Act and the relevant ordinance. Only the data necessary for the fulfilment of contractual obligations, for the care of the relationship with the customer, as well as the guarantee of a high quality of service with regard to the exercise and the infrastructure are collected, saved and processed. The stored information is as follows: caller name, first name, surname, e-mail address, street, postal code, town, password.