Customer Support

+420 972 111 555

helpdesk@cdt.cz 

If you have any questions about the services provided, service billing, or if you need any additional information, do not hesitate to contact our helpdesk, who are ready to answer your questions. The customer support is available 24 hours a day, 7 days a week.

Customer portal

Documents for download

About Us

ČD - Telematika a.s. is a major provider of wholesale telecommunications services and a supplier for the railway environment in the areas of telecommunications, measurement and security.

Infrastructure map

Our transfer network