Customer Support

+420 972 111 555

helpdesk@cdt.cz 

If you have any questions about service provision, service billing, or simply if you require any additional information, please do not hesitate to contact our helpdesk, who are ready to answer your questions. Our 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 telecommunications, measurement and security areas.

Infrastructure map

Our transfer network