DID
Toll-Free
FAX
T.38
Ministry of Information and Communications of the Socialist Republic of Vietnam
Telephone: +84 4.3.5563462
Website: http://mic.gov.vn
DID
Toll-Free
FAX
SMS
T.38
Porting
VoiceStep Telecom, LLC.
7545 Irvine Center Drive, Suite 200
Irvine, CA 92618, USA
Federal Communications Commission (FCC)
Telephone: +1 888 225 5322
Website: http://www.fcc.gov/
DID
Toll-Free
FAX
T.38
Porting
Office of Communications (Ofcom)
Telephone: +44 20 7981 3000
Website: http://www.ofcom.org.uk/
DID
FAX
T.38
Porting
Federal Office for Communications (BAKOM-OFCOM)
Telephone: +41 32 327 55 11
Website: http://www.admin.ch/bakom/
DID
Toll-Free
FAX
Porting
National Posts & Telecommunications Agency (PTS)
Telephone: +46 8 678 5500
Website: http://www.pts.se/
DID
Toll-Free
FAX
T.38
Porting
Comision del Mercado de las Telecomunicaciones (CMT)
Telephone: +34 93 603 61 65
Website: http://www.cmt.es/
DID
FAX
T.38
Porting
Independent Communications Authority of South Africa
Telephone: + 27 (11) 566 3000/3001
Website: http://www.icasa.org.za
DID
Toll-Free
FAX
Porting
Agencija za posto in elektronske komunikacije Repbulike Slovenije
Telephone: +386 1 583 63 00
Website: http://www.apek.si/
DID
Toll-Free
FAX
T.38
Telecommunication Office of the Slovak Republic
Telephone: +421 2 57 881 111
Website: http://www.teleoff.gov.sk/en/
DID
FAX
T.38
Info-Communications Development Authority (IDA)
Telephone: +65 211 0888
Website: http://www.ida.gov.sg/