Regulatory Authority for Broadcasting & Telecoms (RTR) Read more...

The Public Utilities Commission (SPRK) Read more...

Regulatory Authority for Electronic Communications and Postal Services - RÚ Read more...

AKOS Read more...

Consumer Protection and Technical Supervision Agency (TTJA) Read more...

ANRCETI Read more...

Bipt Read more...

The Czech Telecommunications Authority (CTU) Read more...

ARCEP Read more...

Post and Telecom Authority (PTS) Read more...