Notification of the types of interfaces

The obligation to provide notification of types of interface of public communication networks

In accordance with Section 73(7) and (8) of Act on Electronic Communications, a business undertaking providing a public communication network is obliged to publish, in a manner allowing for remote access, and provide notification to CTU of the types of interface which it offers for connecting devices and their technical specifications. This obligation must be met not later than one month before the public telecommunication services provided via these types of interface are available. A business undertaking providing a public communication network is obliged to report any changes to technical specifications to CTU and to publish these in a manner allowing for remote access not later than 3 months prior to the date on which they are to be made.

The way in which information about types of interface must be provided and a list of specifications are described in the following guidelines.

CTU publishes information about links to individual types of interface in the Czech Republic, doing so in accordance with Article 4 of Directive 1999/5/EC:

1) Radio interface (Article 4.1 of Directive 1999/5/EC)

Information about permitted frequency bands in the Czech Republic – see:

Interface and its technical specifications

2) Types of interface in electronic communication networks for connecting telecommunication terminal equipment (Article 4.2 of Directive 1999/5/EC)

A list of types of interface and their technical specifications for connecting devices notified according to Section 73(7) of Act No. 127/2005 Coll. on electronic communications – see: