A-ZCall Inc.
Callventure Telecommunications
Rawabi telecommunications and Software
BRASIL TELECOM
Emirates Integrated Telecommunications Company, PJSC
Transbeam
VeloSolutions, Inc.
Wind Telecomunicazioni
Arcadia Communication Pte Ltd
Invitel International
BNS Telecom Group Plc
2Connect
VoIPInvite Inc
Anwarnet
GTS-Datanet Telecommunications Ltd.
SAFARICOM LIMITED
Crowley Data Poland Sp. z o.o.
Nawras Telecom
Wise Communication Systems
Smile Telecom International B.V.
Multinet Pakistan Private Limited
BalSes iletisim Ltd.Åžti.
CYTA
Intertalk International
Telecorp
CITIC Telecom 1616 Holdings Ltd
Zephyr (MGI Media AG)
Cool Telephone
VOIX Global Sdn. Bhd.
MultiLinks
Qatar Telecom
Kingston Communications
One World Networks
Neotel PTY (Ltd)
Qwest Communications
PTT Communicatios-group
Lanck Telecom
Interoute
OeBB Telekom Service GmbH
ROSHAN
Ghana Telecom
Bridge International Communications Services Ins.
PTCL
VERSCOM WHOLESALE UK
Directo
INTERNEXA
Sourcecomm
QiComm
Next Generation Network Solutions
XC Networks
IT TEL d.o.o.
Acme Tel FZE
Lexico Telecom LTD
Global Iletisim A.S
TELASCO Communications CJSC
Infocomm Consultancy Ltd.
Lycatel Services Limited
Boomerangip S.A.
Sprint
Allstream
PT Comunicações
LT Telecom Spa
Globex
Novolink Communications
Bharti Airtel Limited
Telekomunikacja Kolejowa
Novatel
UG Com
Prionet BV
Broadvox
Pakistan Telecommunication Company Ltd.
TATA Telecom Inc
Latino Communications
NetConnexions
Ead Telecom SRL
Ukrtelecom
Zen Tech International
I Age Phone, Inc.
Solaris Communications Inc.
Triangle Communications AG
GuruCom
Telenor Global Services
City Communications (SE) Limited
ANTEL
DIGICOM - VTC Multimedia Corporation Vietnam
Speedflow Communications Limited
IDT Germany GmbH
Elisa
IPage Infotech Pte.Ltd
Canar Telecom Ltd
Eagle state int''l ltd
Level 3
Voicetec Sys Limited
InComm
Vodafone Essar South Limited
CS Loxinfo Public Company Limited.
Reach Communications, Inc.
Bangla Trac Communications
VOIP Eden Communications, Inc.
Wilshire Connection, LLC
Symphony Telecommunications/PhoneTime
Tawasul Telecom
NASR Technologies Co. Ltd.
Novotel Limited
Telekom Malaysia Bhd
Telekom Malaysia (UK) Limited
Tele-Unity
Capital City Service
Epsilon Telecommunications Ltd
IDT Global Limited
Awantel GmbH
Cash Telecom
Latinode
Global Telecom Group Inc.
Zoha Kish Telecom of Iran
FiberNet Telecom Group, Inc
ORANGE
DNS:NET Internet Service GmbH
MamaCall Ltd
Telcopolis
ama Consultancy
PALTEL
Call IP
Net-Connect Internet s.r.l.
Tigercom Pte. Limited
Sisu Solution
DORETEL Communications, Inc.
SingTel Europe Ltd.
Zamir Telecom Limited
Total Access Communications PLC,. DTAC
Ninetel Telecomm
HAMZ Technologies Limited
Kulacom
Thus
VoipClear Communictions
Rajco Communication GmbH
D-COM
Telekom Austria TA AG
T-SYSTEMS France
Gateway Communications
Teragate AG
IPage Telecom
Iskon Internet d.d.
BT Germany
Cosmofon
Vosys Inc.
Videsh Sanchar Nigam Limited
Transworld Telecom Ltd
Cronford Trading Ltd
Tellcom
Vietnam Telecom International
NTT Communications
QiiQ Communications
TS International
Holywell Technical Solutions
Dlugie Rozmowy S.A.
NEW WORLD TELECOM
Sofcall Ltd
Galaxy Telesys Inc.
Telecall
iBasis, Inc.
Rostelecom
Maxis Communications Berhad
Sky Telecom AG
COLT
Artaviana Ltd
KPN Global Carrier Services
Telco 214, Inc.
3U TELECOM INC
Digitalvoipcall.com
CARRIER ITALIA S.R.L.
Philippine Global Communications Inc.
Spacetel UK Ltd
Global Crossing
GTS Novera
BTELECOM
Amerian Fiber Systems
Marco Polo Communications Group, Inc
Tiscali International Network
SMIPTel
Siponomic B.V.
Bezeq International Ltd.
Maxteleco.Ltd
Acord Telecom
Jin
Luxconnect
RedSat Satellite Holding Ltd
Stein Technology LLC
PM² Telecommunication GmbH
Completel
wi-tribe Pakistan limited
Median Telecom GmbH
CHEERS INTERNATIONAL TELECOM LTD
Xtec Communications Ltd
Smart Communications, Inc.
USCarrier Telecom, LLC
Telecard Limited
Endstream Communications, LLC
Voipshop Telecommunications. Inc
Telekom Slovenije, D.D.
NGNS
PHILIPPINE LONG DISTANCE TELEPHONE CO.
SFR
Telefonica International Wholesale Services
talk global telecommunication gmbh
MTML
Easycom Exchange SARL
Velstar International LLC
WNT telecommunication GmbH
Hibernia Atlantic
Portugal Telecom
Mir Telecom Ltd.
Sultan Communication
Universalphone Company
M-Link
Voixtel
Optima Telecom Ltd
Transit Telecom
JAZZTEL
WAY2COM
VOIPANYWHERE TELECOM
FDI /Fast Developers International Telecom
China Netcom(Europe) Operations Ltd.
P-GROUP S.A.L ( OFFSHORE)
Romtelecom
Aircel
GTT EMEA Ltd.
Pearl Telecoms Ltd
CINCO TELECOM CORP. (ORBITEL)
Dialog Telekom
Fonicom Limited
Easternet Communications
JJ Telecoms Ltd
OTEnet Telecommunications Limited
Reliance Globalcom
NGP Telecom
Foreststar Networks
A.A Smartcomtech
Montan Telecom AG
Yoip Networld Solutions Inc.
China Telecom Europe
Enitel
Eircom
Thuraya Satellite Telecommunications Company
SOFTCOMMS FZC
Borusan Telekom
Wharf T&T Limited
Yupee Phone LLC
MHD Telecom
Pacnet
IPX Telecom Limited
CT Americas
T-Systems Austria GesmbH/Deutsche Telekom
Gamma Telecom
Tel. Pacific Limited
Telstra International
TOUBACOM
Linxtelecom
VOCAL SOLUTIONS
Cardiff Communications Corporation
Real Telekom Ltd
MTN (Sudan) Ltd.
BCC Business Communication Company GmbH
TOLEDO Telecom SA
Sirius Telecom
IVY Telecom SA
SageCom Inc
Nutel
Calltrade Carrier Services AG
Mid-Atlantic Broadband Cooperative
Bethlehem Technologies London Limited
Globacom Limited
Sautcom
CIT Communications Inc
GTS Energis Sp. z o.o.
IFX Networks
TeliaSonera International Carrier
Minutesxchange Communications
Selectcom
France Telecom
Neosnetworks Ltd
Sri Lanka Telecom
Swiss Telecom Carrier SA
Xconnect
CTBC
C.I.T. Comunicazioni Internazionali Telefoniche S.A.
NTT America
TEST Account - 3x
Reach
Chief Telecom
Huntington Telecom
Samar Communication
PAETEC
Technology Distribution Ltd
CRYSTAL CALLS LIMITED
TDC Fastnet Norden
Vovida Technologies Limited
dotTXT Solutions Ltd
NOBEL Limited
Engage Coms
VOX telecom SA
Deutsche Telekom AG
Entanet International
Erbas Online
VOXILITY
Vanco
Lannet Communications S.A.
eTel Austria GmbH & Co KG
ICC TELECOM LLC
Hello Telecom (UK) plc
REFER TELECOM
2Talk
Vinculum Communications
Bayan Telecommunications Inc
Bankai International
UTS (United Telecommunication Services)
PacketExchange Ltd.
Asia Telecom Ltd
Relax Telecom Limited
ZCarrier Inc.
Core Telecom
VoipMefree
Yaband International (Asia) Limited
Transcom
Kortel Communications Inc.
VSNL INTERNATIONAL
Catcom USA
Telekomunikacja Polska (Polish Telecom)
Sound Telecom (UK)
Carphone Warehouse Networks / Opal
Nowtel UK Ltd
Identidad Telecom
Algonet Telecom
GLOBALINX
BT
Netixs Communications
Zebra Telecom
9Eons Limited
Vonage
Liquid Telecommunications
VoiceMarket Limited
ALINK CARRIER SERVICES
Verizon
JSC Moldtelecom
FPT Telecom
Geo
Viastar LTD
Ether Voice S.A ESP
RED TELECOM, LLC
QUANTUM TELECOM, SA
ECO Solutions SIA
Trans Telecom
ejnet
UIS Telecom Limited
Pangaea Networks
LEMONTEL.COM S.A.
BTL
The Carphone Warehouse Networks
Cogent Communications
Murex Telecom LTD
Heswick
Touchtone P/L
Network Proximity
ODT Telecom
Rebtel Networks AB
Viacloud Inc.
Elion
Wateen Telecom
MediaRing Ltd.
Vonero Ltd
NZ Phone Cards
Optivon Inc.
NEXGEN TECHNOLOGY
Vox Mundi
Voxbone SA
Voyport
Archway Communication Solutions
Global e Networks
Botswana Telecommunicatiions Corporation
Freedom Calling Cards
CONNECT NETWORK
OTEGlobe S.A.
DISHNET WIRELESS LIMITED
Speakeasy Communications Ltd
KDDI Europe Ltd.
Inter-connection LLC
Apollo-SCS Ltd
BTC AD
Belgacom International Carrier Services
Verscom
Citrus Telecommunications Ltd
Fusion Telecommunications Int.
Avelacom
Swiss Update NT AG
LambdaNet Communications Deutschland AG
IG Telecommunications
M800 Limited
Surfcreek Communications, Inc.
ATelNet International Inc.
Compass Global
Net D Consulting
Zayo Bandwidth
Netvision 013 Barak LTD.
Dhiraagu Pvt Ltd
TELINTEL LTDA
Wirenet AG
Kalam Telecom & Import LLC
MEDIA BROADCAST GmbH
Protel International LLC
PAM TELEKOM
EXATEL S.A.
Oi
Teleglobe - A VSNL International Company
Versatel Sued GmbH
DTAG
Nomi Mobile Limited
GTT Global Telecom & Technology Deutschland GmbH
AEMS
STS - Swiss Telecom Solutions
SILYUS GmbH
Telefonica
Virgin Media
Digerati Networks
Masergy Communications
Callgate networks.
Kymeera Investment Ltd.
Switched Telecom International
Worldwebnet Telecom
Baltcom Fiber
P&T Luxembourg
Philcom Inc.
dixiTel NV
BLC
Etisalcom Bahrain W.L.L
Callmate Telips Telecom Limited
Xtratelecom
End2End
Ecotel communication ag
ISKON INTERNET
Linkstar Communications Limited
Modern Gate Telecom
SingTel
System One World Communications Iberia
Raiyan Telecom/Carrier Limited
Tellfon
WBS Connect
HT Mostar
Distrion
Telmex
IP-Communications GmbH
COSMOTELCO SA.
Global Ringer
Planetsky
Swisscom (Schweiz) AG
VTLW@venet
Neuf Cegetel
Dial Telecom Romania
Onicommunications
Hutchison Global Communications
Covad Communications
Cable & Wireless
Zajil International Telecom Co.
TWT
Hawar Telecommunications Co.
nextcarrier telecom inc.
Dial 023 GmbH
Singapore Telecommunications Limited
Superonline
Intercall
Fortis Communications
Halktell
Phonetime, Inc.
Gilat Satcom
Mox Telecom AG
Arbinet
World Interconnect
Eutelia S.p.A.
On Telecoms
Longphone
Digital Communications Company
Italy S.n.c.
IPVOIP s.r.o.
Amtelfone Incorporated
Apelby Communications
SCM GmbH
IKNR
MAKECALL.NET
SPT
Telecom Argentina
Beltelecom
Ukrainian Mobile Communications
Shinetown Telecommunication Limited
Telecommit Inc.
Bpp telecom
COTE ''IVOIRE TELECOM
A plus communication
MARS Telecom Systems
IPvision Inc.
TE Data
Motion Telec
Pre Pay & Go Ltd
Efonica
Esat International Ltd
Zain Saudi Arabia
BSO Communications
Chunghwa Telecom
Edge Telecom GmbH
Interdirect Tel Limited
Six Telecoms Company Limited
OPTUS
VIVODI
ICT (HK) Ltd.
China Unicom (Europe) Operations Limited
012 Smile Communications Ltd.
Bangladesh Telecommunications Company Limited
CarrierDomain
PCCW Global Limited
Fizan Telecom
Tata Communications
KT Corporation
Protel S.A.L. Offshoe)
Arcor AG & Co. KG
Japan Telecom UK Ltd
North Network
Total Call International, Inc.
du
AT&T
Akton
SMA-Inclarity Telecommuincations Ltd
WholeSwitch Telecom Holdings Limited
GlobalConnect A/S
Sido Tel
mgi media AG
Coast Media GmbH
IP Telecom Center - Saigon Postel Corp.
Effringo
Sify Technologies Ltd
IXC Global Corp.
Telkom South Africa Limited
Nuetel Communications
BRIDGEONE COMMUNICATIONS
Business Sviaz Holding
Telecom Italia Sparkle
HL komm Telekommunikations GmbH
Breezecom FZC
ChristTel Ltd
Synapse Telecom
Accenta Communications Limited
ez2tel
Callvox
Kalaam Telecom Bahrain B.S.C
iCard European Telecom
Arbitel Networks Limited
Prime Telecom
Clarus International (UK) Ltd.
TynTec GmbH
Asia Pacific Network, Inc.
Callax Telecom Holding GmbH
G-Biz
One Click Communications
SWIFTNET LTD
NGT Networks Pte Ltd
QuaesTel Inc.
42com Telecommunication GmbH
Vanillatech GmbH
Zapna
ZIGZAG Sp. z o.o. / Internet Group S.A.
NEW WEST COMMUNICATION LIMITED
DATEK TELECOM SRL
HanseNet Telekommunikation GmbH
Angel Telecom
Network US, Inc.
FIBERTEL Trans Balkan Telecom AS
Talk 24
JAINA SYSTEMS NETWORK, INC
Imagine Communications Group
2288 International, Inc.
Telecom Liechtenstein AG
TEO LT, AB
RETELIT SPA
Makedonski Telekom AD Skopje
Janacom Ltd
Tutankhamun Telecom
Bulgartel
Cencion Communications Limited
Altec Telecoms S.A
Zanatel
TELECOM NORTH AMERICA formerly 3U TELECOM INC
Metrored
Primetel Plc
South China Telecom
Spiritel Technologies
Gateway Communications Africa
NAVIGO.IT SPA
Global Call Ltd.
ACN Europe BV
Telecom New Zealand UK Ltd
TUŠ TELEKOM d.d.
Slovak Telekom, a.s.
QSC AG
Wallgate
Mundo Comunicatel corp
JOOME Technology S.L.
StarHub Limited
Broadband Telecom Inc
HELLAS ONLINE S.A.
Wholex
XOTel SIA
Sentech Ltd
Vectone Carrier Services Ltd
Trump Technology Limited
OMNINET LTD.
TI UK
BeoX
P Group S.A.L. Offshore
Sagitel Telecom
Milleni.com GmbH
Linxtelecom Estonia OÜ
Golden Telecom
EXCEL
Vizada FZE
Citiwide
Tectip
TANKARD
Teledesign plc
Reliance Communications
Nesma Trading Co.
Nable Communications
Hilf Telecom BV
VIATEL
Primus Telecommunications Ltd
Tele2
Omantel
Uganda telecom
Neterra
TimeWarner Telecom
Redeye Telecom
sip2save
Batelco
invoco
A&D Montana Corp
EtelNetworks
Al Fouad Telecommunications
MAS CONNECTION, INC
ntelecom
Lightower Fiber Networks
Telco Global
Central Telecom
Tier Exchange
WaveCrest
IntelePeer, Inc.
Oy Cubio Communications Ltd
Vyke Communications
Telekom Srbija
Bluemile Networks, Inc
Multiplex Netzwerk Kompanie GmbH