Almanya
Amerika
Federal Communications Commission ( FCC )
http://www.fcc.gov
Arjantin
National Communication Commission
http://www.cnc.gov.ar
Avusturya
Telekom-Control Austria ( TKC )
http://www.rtr.at
Belçika
Belgian Institute of postal services and
telecommunications ( BIPT )
http://www.bipt.be
Danimarka
National Telecom Agency
http://www.tst.dk
Finlandiya
Telecommunications Administration Centre
( TAC )
http://www.thk.fi
Fransa
Telecommunications and Regulation Authority
http://www.art-telecom.fr
Hollanda
Netherland Posts and Telecommunications
Authority ( OPTA )
http://www.opta.nl
Honkong
Office of the telecommunications Authority
( OFTA )
http://www.ofta.gov.hk
İngiltere
Office of Telecommunications ( OFTEL )
http://www.oftel.gov.uk
Radiocommunications Agency
http://www.radio.gov.uk
İrlanda
Office of the Director of Telecommunications
Regulation ( ODTR )
http://www.odtr.ie
İspanya
Spain Telecommunication Commission ( CMT
)
http://www.cmt.es
İsveç
National Post and Telecom Agency ( PTS )
http://www.pts.se
İsviçre
Federal Office for Communications
http://www.admin.ch/bakom
İtalya
Italian Communications Authority ( AGC )
http://www.agcom.it
İzlanda
Post and Telecom Administration (PTA)
http://www.pta.is
Japonya
Ministry of Posts and Telecommunications
http://www.mpt.go.jp
Kanada
Canadian Radio-Television and Telecommunications
Commission ( CRTC )
http://www.crtc.gc.ca
Kore
Ministry of Information and Comminication
( MIC )
http://www.mic.go.kr
Latviya
Telecommunication State Inspection
http://www.vei.lv
Litvanya
Radio Administration
http://www.radio.lt
Lüksemburg
Luxembourg Telecommunications Institute
( ILT )
http://www.etat.lu
Norveç
Norwegian Post and Telecommunications Authority
( NPT )
http://www.npt.no
Polonya
Ministry of Posts and Telecommunications
http://www.ml.gov.pl
Portekiz
Portugal Comminications Institute ( ICP
)
http://www.icp.pt
Yunanistan
National Telecommunications Commission (
EET )
http://www.eett.gr
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