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Barbados
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Benin
Bolivia
Bosnia and Herzegovina
Botswana
Brazil
Brunei Darussalam
Bulgaria
Burkina Faso
Cambodia
Cameroon
Canada
Cayman Islands
Central African Republic
Chad
Chile
China
Colombia
Congo
Costa Rica
Cote d'Ivoire
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ACS
Advanced Info Service Public
  Co Ltd (AIS)
Afghan Telecommunications
  Corp.
Aircel Limited
Airtel- Part of Bharti Tele
  vetures
Almadar Aljadid
Americatel
Andinatel
ASIACELL
Astelit
Astral
Astro All Asia Networks plc
Atlantique Telecom-
 Centrafrique
Atlantique Telecom-Cote
 d'Ivoire
Avea
Azercell Telekom BM
Banglalink
Batelco
Beeline
Belgacom
Large Canadian Carrier
Bezeq
BH Telecom
Bharat Sanchar Nigam Ltd
  (BSNL)
Bharti Airtel Limited
Bite GSM
Botswana Telecom
BPL Mobile Communications
  Ltd
British Telecom
Broadpoint
BTC AD
Cable & Wireless - Anguilla
Cable & Wireless - Barbados
Cable & Wireless - (Cayman
  Islands) Ltd.
Cable & Wireless - Grenada
Cable & Wireless - Jamaica
Cable & Wireless St. Lucia Ltd
Cable & Wireless International
Cameron Communications LLC
Canar
CANTV - Movilnet
CANTV - Venezuela
CAPE Technologies
Carphone Warehouse
Celcom (Malaysia) Berhad
Cell C
CellularOne NE AZ
Celtel - Burkia Faso
Celtel - Congo Brazzaville
Celtel - Nigeria
Celtel - International - Zain
  Group
Celtel - Kenya
Celtel - Sierra Leone
Celtel - Tanzania
Celtel - Uganda
Celtel - Zambia PLC
Centennial Communications
Chariton Valley
China Mobile - Zhejiang
Cincinnati Bell
CMPak
Colombia Móvil S.A. esp
Cosmofon
COLT Technology Services
  India Pvt Ltd
Colt Telecom
Comcel Haiti
Comium CI SA
Commander Australia Pty Ltd
Consolidated Communications
COSCOM
Cosmote S.A.
Cricket Communications Inc
CTBC Telecom
CTI MOVIL (America Movil)
CTS Telecom
Current Group
Dhivehii Raajjeyge Gulhun
  Private Ltd
Dialog Telekom
DiGi Telecommunications Sdn
  Bhd
DIGICEL - El Savador
Digicel - Jamica
Digicel - Haiti
Digicel - Netherlands
Digicel - Trinidad &Tobago Ltd
Digicel Telecommunications
  Philippines Inc.
Digitel-Venezuela
Disney Mobile
DST Communications Sdn Bhd
EATEL
Econet Ezi ~ Cel Lesotho
  (Pty) Ltd
Econet Wireless (Pvt) Ltd
EDCH
Egyptian Company for Mobile
  Services
Embratel
Emirates Integrated
  Telecommunication Eircom
  Ltd Company(Du)
Empresas Chile.com
EMT
Emtel Ltd (Mauritius)
Entel PCS Telecomunicaciones
  S.A. -Bolivia
Etihad Etisalat
Etisalat Telecom-Afghanistan
Etisalat Telecom-Egypt
Etisalat Telecom-Nigeria
Etisalat Telecom-United Arab
  Emirates
Fal Dete Telecommunications
Fiji International
  Telecommunications Ltd
Flashcom Limited
France Telecom
Franklin Telephone Co., Inc.
Geocell LLC
Ghana Telecom Company Ltd
Ghana Telecommunications
  Co. Ltd (OneTouch)
Globacom
Global Village Telecom SA
Globe Telecom
Golden Telecom
GrameenPhone Ltd.
Grupo Oi
H3G SpA (3)
Hi3G Sweden
Hondutel
Hutchison-Australia
Hutchison-India
Hutchison-Sri Lanka
Idea Cellular
Insight Communications
Intercellular Nigeria Plc
Jordan Mobile Telephone
  Services - Fastlink 

Jordan Telecom Group (JTG)
JP Hrvatski Telekom Mostar
K Telecom
Kasapa Telecom Limited
Keystone Wireless dba Immix
  Wireless
Lacom
Lattelekom
Level3
Libyana Mobile Phone
Loteny Telecom SA (Telecel)
Macquarie Telecom
Makesonski Telekomunikacii
Malawi Telecomms Limited
Manitoba Telecom Services
 Inc.
Manx Telecom Ltd
Marcatel Com S.A. de C.V.
Maroc Telecom
Mascom Wireless (Pty) Ltd
Mauritius Telecom
Maxis Communication Berhad
mcel-Mocambique Celular
  SARL
MCI - US
McLeadUSA
Meditel
MegaFon
Megatel de Honduras SA de
  CV (ALO)
Melita
Meteor Mobile
  Communications
MetroPCS Wireless, Inc.
MIC (T)
Millicom International Cellular
  SA (MIC)
MIRS Communication Ltd
MisrFone Telecommunications
Mobicom Corporation
Mobile Telecommunications
 Co
Mobile TeleSystems OJSC
Mobilink GSM
MobileOne Ltd.
Mobily - India
Mobily - Saudi Arabia
Mobistar SA
Mobitel - Cambodia
Mobitel - Sri Lanka
Moov - Gabon
Moov - Niger
Moov - Cote d'Ivoire
Movistar - Ecuador
MTC - Kuwait
MTC - Lebanon
MTN - Cote d'Ivoire
MTN - Nigeria
MTN - South Africa
MTN - Swaziland (Swazi
  MTN)
MTN - Russia
MTN - Rwanda
MTN - Uganda
MTN - Cameroon
MTN - Irancell
MTN - Nigeria
MTS - Russia
Multi-Links Telecommunications
  Limited
Natrindo Telepon Selular
Nawras Telecom
Nayatel Private Limited
Nedjma
NetOne Cellular
Nextel Communications -
  Brazil
Nextel Communications -
  Mexico
Nigerian Telecommunications
  Limited
NII Holding, Inc.
NTC
NuevaTel PCS de Bolivia SA
O2 - Ireland
O2 - Slovakia
O2 - United Kingdom
OJSC MTT
OJSC Uralsvyazinform
Oman Mobile
Omantel
One Communications
Onvoy
Optus
Orange - Dominicana
Orange - Madagascar
Orange - Netherlands
Orange - Switzerland
Orange - Romania
Orange - Thailand
Orange - United Kingdom
Orascom Telecom - Egypt
Orascom Telecom - Iraq
OTE SA
Pacific Bangladesh Telecom
  Ltd
Pacifictel S.A.
Pakcom (Pvtg) Limited
Pakistan Telecom
Palestine Cellular
 Communication - Jawwal
Palestine Telecommunication
  Company - Paltel
PanTel
Partner Communications Co.
  Ltd.
PLDT
Powernet Global
Primus Telecommunication
  Ltd
ProMonte GSM
PT Aplikanusa
PT Comunicacoes SA
PT Excelcomindo Pratama
PT Hutchison
PT Indosat
PT Telkomcel
PT Telekomindo Primabhakti
PT Telekomunikasi Indonesia
PT Sampoera Telecommunikasi
  Indonesia
PTCL
Puerto Rico Telephone Co
Qatar Public
  Telecommunications Corp
Qatar Telecommunications-Qtel
Reliance - India
Reltel Wireless
Rogers Communication Inc
RomTelecom SA
Roshan Communications
Rural Cellular Corporation
SabaFon
Safaricom Limited
Sage Telecom
Saudi Telecom
SCANCOM Ltd (Areeba)

SCANCOM Ltd (MTN) Ghana
Servicios Alestra, S.A. de
  C.V.
SETAR
Shaym Telecom Ltd
Shyam Telelink Ltd
SingTel
Slovak Telecom a.s.
SmarTone
 Telecommunications
Smart Communications,
  Inc.
SONATEL
Spacetel - Syria
Sri Lanka Telecom
Speedflow Communications
  Ltd
Spice
Starcomms Limited
StarHub
STC
Sun Cellular
Suntel Ltd
Swisscom
Syriatel Mobile Telecom
T-Com - Croatia
Taiwan Fixed Network Co.
  Ltd
Tata Communications
TATA Teleservices Ltd
TDC - Denmark
TDS Telecom
TEC
Tele2 - Sweden
Tele Norte Leste
  Participacoes SA
Telecard Limited
Telecel Benin Ltd.
Telecel Faso
Telecom Argentina SA
Telecom Fiji Limited
Telecom Italia SpA
Telecom Lesotho
Telecom New Zealand Ltd
Telecomunicaciones de 
  Colombia (TELECOM)
Telefónica Celular del
  Paraguay SA (Telecel)
Telefonica del Sur
Telefonica do Brazil
Telefonica Internacional SA
Telefonica Moviles
  Argentina
Telefonica Movistar
Telefonica O2 UK Ltd
Telekom Brunei Berhad
Telekom Malaysia Berhad
Telekom Srbija ad
Telekomunikacja Polska
Telemovil El Salvador SA
Telenet
Telenor ASA
Telenor Pakistan
Telesur
Telewest
Telkom - South Africa
Telkom Kenya Ltd
Telekom - Mexico
Telia Sonera - Sweden
Telmex - Columbia
TelstraClear
TELUS Communications
T-Hrvatski Telekom
Three
Thuraya Satellite
  Telecommunications Co
TIGO - Chad
TIGO - Senegal
tiGo (Millicom Ghana
  Limited)
Tigo Oasis Sprl - A Millicom
  Co
TIM Celular
TIME dot.com
TM - Malaysia
TMIB
TMN - Portugal
T-Mobile - Croatia
T-Mobile - Slovakia
T-Mobile - UK
T-Mobile - USA
T-Mobile Macedonia AD
TRICOM SA
TRUE
TSTT
TTSL
Tunisiana
Tunisie Telecom
Turkcell
Turk Telekomunikasyon AS
 (Turk Telekom)
U Mobile Sdn Bhd
Ufone GSM
Unitel SA
UPC Romania
US Cellular
Vee Network
Verizon - USA
Vietnam Posts and
  Telecommunications Corp
  (VNPT)
VIPnet d.o.o.
VIP Operator
Virgin Mobile South Africa
Virginmedia
Visafone Communications
  Limited
Vmobile Nigeria
Vodacom - Lesotho
Vodacom - Mozambique
Vodacom - South Africa
Vodacom - Tanzania
Vodafone - Albania
Vodafone - Egypt
Vodafone - Germany
Vodafone - Greece
Vodafone - Netherlands
Vodafone - Spain
Vodafone
  Telecommunication AS
Vodafone Essar Cellular Ltd.
Vois Telecom
VSNL
Warid Telecom-Bangladesh
Warid Telecom-Pakistan
Warid Telecom-Uganda
Wataniya - Maldives
Wataniya - Kuwait
Wateen Telecom
Whidbey Telecom
WIND Hellas
Worldcall Telecom Limited
Worldspace inc.
WTA
Xpress Telecom
Xtra Telecom sa
Zain - Kuwait
Zain - Saudi Arabia
Zain - Sudan