Support levels

TrustPort Basic, free, for all customers

  • Updates via the internet
  • E-mail hot-line, Mon-Fri 8.00-16.00 CET
  • Helpdesk system

TrustPort VIP, prepaid, for business customers

  • Basic support included
  • Optional additional services


Before you decide to contact support, we recommend that you try to find the information needed in the Technical FAQ and Sales FAQ.

Sales support:

Technical support:

Other queries:

Tel.: +420 541 244 471
Fax: +420 541 235 038

Postal address:

TrustPort a. s.
Purkyňova 2845/101
612 00 Brno, Czech Republic

Timestamp authority

Timestamp authority is a service which allows the demonstration that at certain time, a particular digital document existed, and that it was electronically signed at that time. The aim of this service is to ensure document incontestability given to a particular time. Requirements with this aim are sent to a credible third party in a specified format, which is already defined by the relevant international standards.