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PCCW Global
PTCL
Telekom Slovenije, D.D.
P-GROUP S.A.L ( OFFSHORE)
YYC Enterprises Limited
Swisscom (Schweiz) AG
XOTel SIA
SOFTCOMMS FZC
Smile Telecom International B.V.
Wavecrest
Capaital City Service
WaveCrest UK Ltd
SAFARICOM LIMITED
SMA-Inclarity Telecommuincations Ltd
N/A
Qwest Communications
Apelby Communications
EXCEL
Romtelecom
Solaris Communications Inc.
Thuraya Telecommunication
Median Telecom GmbH
Broadband Telecom Inc
THUS PLC
Akton
ACN Europe BV
Superonline
OPTUS
ASP
DATEK TELECOM SRL
Speedflow Communications Limited
Qicomm Limited
WBS Connect
Anwarnet
Cosmofon
France Telecom Group - ICSS
Bangla Trac Communications
PCCW Global Limited
IP-Only
Entanet International
ZCarrier Inc.
Algonet Telecom
Global e Networks
NZ Phone Cards
Marco Polo Communications Group, Inc
PM² Telecommunication GmbH
Clarus International (UK) Ltd.
Vivodi Telecom SA.
ANTEL
Interdirect Tel Limited
Synapse Telecom
TimeWarner Telecom
Kalaam Telecom Bahrain B.S.C
Hilf Telecom BV
Coolwave Communications B.V.
TLKComm Company Ltd
BTL
Viacomm Limited
Teleglobe - A VSNL International Company
Televox LTD
Lycatel Services Limited
A.A.Smartcomtech LTD
Verizon Italia SpA
France Telecom Group
Primetel PLC LTD
Six Telecoms Company Limited
BT (Germany) GmbH & Co oHG
Telekomunikacja Polska (Polish Telecom)
JSC Moldtelecom
Project Communications SPA
IP Telecom Center - Saigon Postel Corp.
Sound Telecom (UK)
IDT
Heswick Properties Limited London
TELINTEL LTDA
Nuetel Communications
Intertalk International
DHIRAAGU PTE LTD
Oy Cubio Communications Ltd
Easycom Exchange SARL
Iskon Internet d.d.
Onicommunications
Metrobeam Wireless Telecommunications ( Kulacom )
HL komm Telekommunikations GmbH
Zephyr (MGI Media AG)
Rostelecom
KDDI Europe Ltd.
TOUBACOM
Completel
JJ Telecoms Ltd
Golden Telecom / Sovintel
Spiritel Technologies
VoipMefree
Infocomm Consultancy Ltd.
Calltrade Carrier Services
FIBERTEL Trans Balkan Telecom AS
3U TELECOM INC
NOBEL Limited
WholeSwitch Telecom Holdings Limited
Linxtelecom Estonia OÜ
nextcarrier telecom inc.
Endstream Communications, LLC
Viacloud Inc.
Breezecom FZC
Golden Telecom
Logincall
VoIPInvite Inc
Net-Connect Internet s.r.l.
Vinculum Communications
Telecall
Wharf T&T Limited
Gilat Satcom
REFER TELECOM
Telefonica
COLT
NetConnect-Internet
Hutchison Global Communications
GTS-Datanet Telecommunications Ltd.
IPage Telecom
Plaxis telecom
Milleni.com GmbH
Allstream
WNT telecommunication GmbH
VOIX Global Sdn. Bhd.
Next Generation Network Solutions
Edge Telecom GmbH
OTEnet Telecommunications Limited
Boomerangip S.A.
2Connect
Tectip
Crowley Data Poland Sp. z o.o.
Bankai International Pvt. Ltd.
Imaginge Communications Group
Awantel GmbH
Altec Telecoms S.A
Wateen Telecom
Surfcreek Communications, Inc.
Mox Telecom AG
Lannet Communications S.A.
Slovak Telekom, a.s.
Aircel
Elisa
IDT EUROPE
Tellcom
LONGPHONE SAS
EMATEL
Zanatel
Telecom New Zealand
KPN Global Carrier Services
Breezecom
Telekomunikacja Kolejowa
Callax Telecom Holding GmbH
BT Global Services
Telekom Malaysia (UK) Limited
Versatel Sued GmbH
Videsh Sanchar Nigam Limited
Dollarphone Corporation
Bergeta Commercial Ltd
Bayan Telecommunications Inc
P-Group
eTel Austria Gmbh & CoKG
Tata Communications
Nomi Mobile Limited
BT
IT TEL d.o.o.
MediaRing Ltd.
IPsmarx Technology, Inc.
M-Link
Gamma Telecom
T-Systems Austria GesmbH/Deutsche Telekom
Batelco Jordan
Bharti Airtel Ltd.
OTEGlobe S.A.
Tiscali International Network
Lynxtel Limited
JAZZTEL
IDT Global Limited
Telenor Global Services
The Carphone Warehouse Networks
Quantum Telecom
Kortel Communications Inc.
TUŠ TELEKOM d.d.
QSC AG
SC Net-Connect Internet SRL
JSC @Zebra Telecom@
talk global telecommunication gmbh
China Netcom(Europe) Operations Ltd.
Engage Coms
FPT Telecom
HELLAS ONLINE S.A.
Ecotel Communication AG
Telecom New Zealand UK Limited
Tellfon
HT Mostar
MGI media AG
Neuf Cegetel
REACH UK
Latinode
Nowtel UK Ltd
Novatel
Maxteleco.ltd
Globacom Limited
Tata Communications Ltd
Rajco Communication GmbH
Carrier Community LTD
T-Systems Austria, ICSS
Telecommit Inc.
PLDT Co.
PTT Communicatios-group
Gateway Communications Africa (UK) Ltd
VSNL INTERNATIONAL
Ventelo Sverige AB
Triangle Communications AG
OMNINET LTD.
Tawasul Telecom
G-Biz
Kingston Communications
BNS Telecom Group Plc
Multiplex Netzwerk Kompanie GmbH
Callax Telecom
Chief Telecom
Bond Consulting
Longphone
TEO LT, AB
Cronford Trading Ltd
Telefonica International Wholesale Services
Level 3 Communications
Protel International LLC
Swiss Update NT AG
dixiTel NV
Planetsky
ROSHAN
Deutsche Telekom AG
Business Sviaz Holding
Ukrtelecom
Latinode Europe GmbH
DNS:NET Internet Service GmbH
BTELECOM
Sector 7 Networks, Ltd
Prime Telecom
Carphone Warehouse Networks / Opal
Netvision 013 Barak LTD.
VERSCOM WHOLESALE UK
Global Telecom Group Inc.
Telefònica Deutschland GmbH
South China Telecom
Vodafone Essar South Limited
Primus Telecommunications Inc
Vcore
Thuraya Satellite Telecommunications Company
ORANGE
LANCK Telecom
Canar Telecom Ltd
Epsilon Telecommuications Ltd
Reliance Communications Ltd.
Latino Communications
City Communications (SE) Limited
Belgacom International Carrier Services
SWIFTNET LTD
Montan Telecom AG
Telekom Austria TA AG
Xconnect
JAINA SYSTEMS NETWORK, INC
CRYSTAL CALLS LIMITED
Singapore Telecommunications Limited
Xtec Communications Ltd
Verizon Businesss
Protel Offshore S.A.L
Borusan Telekom
Asiakomnet Multimedia
KPN
NEW WORLD TELECOM
iBasis, Inc.
Acord Telecom
Amitelo Deutschland GmbH
Rodcom Europe Ltd
Telecom Italia Sparkle
Siponomic B.V.
Telekom Malaysia Berhad
EITC
Telco Global
Xtratelecom
Express Teleservice Corp. d.b.a. LANCK Telecom
Rawabi telecommunications and Software
Dial Telecom Romania
CTBC
UIS Telecom Limited
Dhiraagu Pvt Ltd
Calltrade Carrier Services AG
CITIC 1616 Holdings Limited
CHEERS INTERNATIONAL TELECOM LTD
Pacnet
Minutesxchange Communications
Emirates Integrated Telecommunications Company, PJSC
HanseNet Telekommunikation GmbH
Dial Telecom
INTERNEXA
AT&T
TWT SpA
VOX telecom SA
TynTec GmbH
PAETEC
Verizon
StarHub Limited
Cable and Wireless
Catcom USA
PALTEL
Sirius Telecom
Fusion Telecommunications Int.
Worldwebnet Telecom
Capital City Service Ltd
PCCW
BRASIL TELECON
STS - Swiss Telecom Solutions
Bezeq International Ltd.
Sky Telecom AG
ACRiS Telecom GmbH
Eircom
Viastar LTD
Covad Communications
Maxis Communications Berhad
Vovida Technologies Limited
Omantel
Arbinet Inc.