Header Service und Support

Service & Support

We have a comprehensive service portal that you can use to contact our support team in a quick and convenient manner. You will find there the support you need if you have technical problems along with information on the requirements for our solutions and possible applications as well as the respective documentation and price lists.

Product support

Please select your product.



If the hardware which you purchased from us does not work, you can submit a complaint to us.


This digital archive provides information on the guidelines that apply to our public key infrastructure (PKI). It contains our Certificate Policies and Certification Practice Statements.


If you lose your signature card, you should have it immediately revoked. You can do this in several ways.

Do you have any questions?
We will be pleased to assist you.

+49 (0) 30 25 98 - 0

Please use the contact form for your questions or suggestions. Our Call and Support Center is also available from Monday to Friday, from 7am to 6pm.

Ihre Kontaktanfrage:

How would you like to be contacted?

* Required field