Telkoder | Serbest Telekomünikasyon İşletmecileri Derneği

Federal Communications Commission (FCC-USA)

http://www.fcc.gov

National Communication Commission (Argentine)

http://www.cnc.gov.ar

Telekom-Control Austria (TKC)

http://www.rtr.at

Belgian Institute of postal services and telecommunications (BIPT)

National Telecommunication Agency (Brasil)

http://www.anatel.gov.br

Telecommunications and Regulation Authority (ARCEP-France)

Authority For Consumers and Markets (ACM-Netherlands)

Office of the telecommunications Authority (OFTA-HongKong)

Office of Communications (OFCOM-UK)

http://www.ofcom.org.uk

Commission For Communications Regulation (COMREG-Ireland)

Spain Telecommunication Commission (CMT)

http://www.cmt.es

National Post and Telecom Agency (PTS-Sweden)

http://www.pts.se

Federal Office for Communications (Switzerland)

Italian Communication Authority (AGCOM)

http://www.agcom.it

Post and Telecom Administration (PFS-Iceland)

http://www.pfs.is

Canadian Radio-Television and Telecommunications Commission (CRTC)

Luxembourg Telecommunications Institute (ETAT)

http://www.etat.public.lu

Norwegian Post and Telecommunications Authority (NPT)

Ministry of Posts and Telecommunications

http://www.ml.gov.pl

Portugal Comminications Institute (ANACOM)

http://www.icp.pt

Hellenic Telecommunications and Post Commission (EETT)