WNT telecommunication GmbH
Yaband International (Asia) Limited
Real Telekom Ltd
GO PLC
Lexico Telecom LTD
IKNR
il mondo dietro l'angolo
Nucom Technology, Inc
Enitel
OP Telecom
VIVODI
Imagine Communications Group
CALLCOM
Relax Telecom Limited
Primetel Plc
JOOME Technology S.L.
Xconnect
Callvox
Black Stallions International
Gateway Communications
M800 Limited
Thuraya Satellite Telecommunications Company
Vonero Ltd
STS Telecommunications (M) Sdn. Bhd. and STS Telecom Ltd.
Bayan Telecommunications Inc
Optima Telecom Ltd
Systema Networks Inc
QSC AG
In.life d.d.
NEXGEN TECHNOLOGY
Netixs Communications
VUI
Ead Telecom SRL
SLiMtel
JSRSOLUTIONS
QGC
Ether Voice S.A ESP
SUTELCON LTD
mgi Telecom
ECO Solutions SIA
Pakistan Telecommunication Company Ltd.
Transcom
Symphony Telecommunications/PhoneTime
ANZIPTEL
ELLACOM LIMITED
BT Germany
LINKDEV S.A
Cubio Communications Ltd.
Phonetime, Inc.
DTMF Networks SDN BHD
KPN Global Carrier Services
Tellfon
DATEK TELECOM SRL
Speedflow Communications Limited
Callslink Telecom
Batelco
Kcom
Zamir Telecom Limited
IVY Telecom SA
Qwest Communications
Esat International Ltd
Raiyan Telecom/Carrier Limited
VPI TECH LTD
BRIDGEONE COMMUNICATIONS
Amtelfone Incorporated
Telecom Uno
TDC Fastnet Norden
Elion
Smart Communications, Inc.
PTT Communicatios-group
Broadband Telecom Inc
Corvim Communications
Vox Mundi
Cool Telephone
Catcom USA
Transbeam
WBS Connect
talk global telecommunication gmbh
CSINFO S.p.A.
Telecom Liechtenstein AG
MT Networks
Tescom
Tristar Communications
Global Communications FZ-LLC
Think Telecom Solutions
Reach Communications, Inc.
P Group S.A.L. Offshore
InComm
TOLEDO Telecom SA
VoIPInvite Inc
SWI Telecom
STS - Swiss Telecom Solutions
Global Iletisim A.S
Callmate Telips Telecom Limited
Neo Media Solutions Ltd
Global Crossing
Bulgartel
American Callshop Corporation
Eircom
Tectip
Entanet International
Tinet
Iowa Communications Network
Arcadia Communication Pte Ltd
Compass Global
IPELTOM FRANCE
Telekom Malaysia (UK) Limited
Algonet Telecom
VoipClear Communictions
MediaRing Ltd.
Ocallo Voip
VOIP Eden Communications, Inc.
BROOKMORE LIMITED ( 2Telecom))
Reliance Communications
Wharf T&T Limited
ORANGE
Huntington Telecom
Makedonski Telekom AD Skopje
VoipLinks Communications
CUBE COMMUNICATION GMBH
iVoipCalls
Telco 214, Inc.
Citiwide
East Telecom Ltd.
Zayo Bandwidth
P-GROUP S.A.L ( OFFSHORE)
Dexter Limited S.A.
sip2save
ChristTel Ltd
The HAMZ Technologies
VOCAL SOLUTIONS
FiberNet Telecom Group, Inc
TEO LT, AB
System One World Communications Iberia
Mondo Voip S.r.l.
Yoip Networld Solutions Inc.
BalSes iletisim Ltd.Åžti.
Neterra
SavyTel Group Inc.
T-SYSTEMS France
GTT Global Telecom & Technology
Galaxy Telesys Inc.
OJSC Multiregional Transit Telecom
Emirates Integrated Telecommunications Company, PJSC
Mundo Comunicatel corp
Telefant
VOIPANYWHERE TELECOM
Universalphone Company
Core Telecom
Chase Empire LLC
DORETEL Communications, Inc.
CONNECT NETWORK
VeloSolutions, Inc.
VoiceMarket Limited
Sourcecomm
China Unicom (Europe) Operations Limited
Voixtel
IPage Infotech Pte.Ltd
Lycatel Services Limited
Network US, Inc.
Holywell Technical Solutions
Portugal Telecom
Etisalat DB Telecom Private Limited
Tigercom Pte. Limited
Euro Telecom (M) SDN. BHD.
DTAG
BRASIL TELECOM
Level 3
BLC
Starlight Networks Pte.Ltd.
HL komm Telekommunikations GmbH
Nawras Telecom
Sound Telecom (UK)
IT TEL d.o.o.
Marco Polo Communications Group, Inc
IXC Global Corp.
Opalnet Ltd
Bpp telecom
Chunghwa Telecom
QUANTUM TELECOM, SA
Teleglobe - A VSNL International Company
Zebra Telecom
Smile Telecom International B.V.
OMNINET LTD.
Core180,Inc.
MTN (Sudan) Ltd.
Carphone Warehouse Networks / Opal
SageCom Inc
Telkom South Africa Limited
Philcom Inc.
VOXILITY
Company TTK
Cable & Wireless
OTEnet Telecommunications Limited
Solaris Communications Inc.
Efonica
Crowley Data Poland Sp. z o.o.
Fonicom Limited
Sagitel Telecom
VIATEL
On Telecoms
Lanck Telecom
Bridge International Communications Services Ins.
Multicard S.C.
Quick Dial Inc.
VoiceWave Networks Inc.
Jivetel Communications
Arcor AG & Co. KG
Bangladesh Telecommunications Company Limited
NGP Telecom
MEDIA BROADCAST GmbH
AMEUROTEL
Bezeq International Ltd.
Telecall
OVE Telecom LLC
4G Telecom Ltd
Eagle state int'l ltd
Dilios Ltd
Viastar LTD
ALINK CARRIER SERVICES
USCarrier Telecom, LLC
MultiLinks
Zoha Kish Telecom of Iran
Artaviana Ltd
Mox Telecom AG
Hello Telecom (UK) plc
China Telecom Europe
Zen Tech International
Synapse Telecom
2288 International, Inc.
Primus Telecommunications Ltd
Prionet BV
GETCO Business Solutions Ltd.
Global e Networks
NetConnexions
Telefonica
Telepoint International
Prime Telecom
MARS Telecom Systems
EmTel Srl.
Bethlehem Technologies London Limited
PM² Telecommunication GmbH
Citrus Telecommunications Ltd
Montan Telecom AG
LEMONTEL.COM S.A.
Selectcom
Akton
Latino Communications
SFR
Digitel Mobile Philippines Inc.
Telecard Limited
Comvoz
HKCOLO Limited
FDI /Fast Developers International Telecom
Xperttel FZC
Zain Saudi Arabia
Vanillatech GmbH
Sautcom
Winnington Networks Limited
RedSat Satellite Holding Ltd
Endstream Communications, LLC
Bharti Airtel Limited
Bluemile Networks, Inc
OTE International Solutions S.A (OTEGlobe S.A.)
Neotel PTY (Ltd)
METROFI ONLINE SERVICES
RouteTrader Ltd
Slovak Telekom, a.s.
Oi
NEW WORLD TELECOM
GTS-Datanet Telecommunications Ltd.
italiacom s.p.a
NAVIGO.IT SPA
Kymeera Investment Ltd.
I Age Phone, Inc.
2Talk
Beltelecom
Vinculum Communications
Expereo Singapore Pte Ltd
KDDI Hong Kong
OPTUS
Clear Telecom LLC
Central Telecom
Symbio Networks
CIS VoIP Inc.
Archway Communication Solutions
Tele2
ALXTEL, Inc.
V-Private AG
A&D Montana Corp
PALTEL
DNS:NET Internet Service GmbH
Puentech
ComNet Telecom (Singapore)Pte Ltd
Technology Distribution Ltd
Arbinet
Airtel Global Ltd.
Vosys Inc.
Worldcom International Commuincations
VOIX Global Sdn. Bhd.
LT Telecom Spa
IG Telecommunications
MetroRed FZE
Golden Telecom
Spiritel Technologies
HT Mostar
mypak telecommunication inc
Telecom Italia Sparkle
TeliaSonera International Carrier
Longphone
M-Link
VP Telecom Limited
Canar Telecom Ltd
Virgin Media
NGC Next Generation Communications
HAMZ Technologies Limited
Telekomunikacja Kolejowa
HanseNet Telekommunikation GmbH
Six Telecoms Company Limited
Mobilkomaustria AG
SCM GmbH
Voicetec Sys Limited
PTCL
2Connect
Japan Telecom UK Ltd
invoco
Source Managed Services LTD
Kortel Communications Inc.
GLOBALINX
China Netcom(Europe) Operations Ltd.
IntelePeer, Inc.
Breezecom FZC
Intertalk International
Verscom
DISHNET WIRELESS LIMITED
JAJAH
Next Generation Network Solutions
Voipshop Telecommunications. Inc
Spantel Comunications SAU
FRATELCOM LDA
Avelacom
NZ Phone Cards
BTC AD
Rajco Communication GmbH
Globacom Limited
VSCOM LLC
JB United LLC.
Qlink ME
SMA-Inclarity Telecommuincations Ltd
GROUPE HGT
IPage Telecom
IPVOIP s.r.o.
PNT Networks
Dialog Telekom
Vietnam Telecom International
NOBEL Limited
JAINA SYSTEMS NETWORK, INC
Median Telecom GmbH
WholeSwitch Telecom Holdings Limited
Qatar Telecom
Sirius Telecom
MatelBH d.o.o. Sarajevo
TOUBACOM
CHEERS INTERNATIONAL TELECOM LTD
IDT Europe
Lightower Fiber Networks
Apollo-SCS Ltd
JSC Moldtelecom
Mediterranea tlc srl
SWIFTNET LTD
Digital Communications Company
Infocomm Consultancy Ltd.
Verizon
Baltcom Fiber
Novatel
Arbitel Networks Limited
Pipeline Telecom
Directo
Fizan Telecom
ICT (HK) Ltd.
Spactron
Broadview Networks, Inc.
KPN Eurorings B.V.
Teragate AG
ZIGZAG Sp. z o.o. / Internet Group S.A.
TEST Account - 3x
Ipagecall
3U TELECOM INC
Net2Phone/IDT
WaveCrest
IDT Germany GmbH
OeBB Telekom Service GmbH
NASR Technologies Co. Ltd.
StarHub Limited
Lazim Communication
Telekom Slovenije, D.D.
SMIPTel
Airbalticcard
Telcorealm
Telvia GmbH
Hibernia Atlantic
Elite Facilities Management LLC
Uganda telecom
Epsilon Telecommunications Ltd
Global Call Ltd.
MoriaGate Communications
Koc.net A.S
EVOLINK AD
NTT Com Asia Limited
EXCEL
Touchtone P/L
Falcon Telecomms Ltd
PCCW Global Limited
Awantel GmbH
Ninetel Telecomm
DIGICOM - VTC Multimedia Corporation Vietnam
Fusion Telecommunications Int.
Cardiff Communications Corporation
FinVoIP Oy
Halktell
Ocean
Maxteleco.Ltd
360networks Inc
TS International
HELLAS ONLINE S.A.
Optivon Inc.
JVMTEL EUROPE INC
TW TELECOM
ISKON INTERNET
Rawabi telecommunications and Software
Gsoft technologies
Magnaura Telecommunications Inc.
SaigonPostel
Geo
IDT Telecom Asia Pacific Limited
Net D Consulting
Telecorp
Reach
Voiptunel
Boomerangip S.A.
SILYUS GmbH
Maestro Communication Inc
Ukrtelecom
IP Telecom Center - Saigon Postel Corp.
4b Telecom Limitted UK
Pearl Telecoms Ltd
Novotel Limited
XC Networks
TE Data
Voicekings Ltd
INTERNEXA
Tata Communications
Telenor Pakistan (Pvt) Limited
World Interconnect
Panamax Infotech Ltd.
Chief Telecom
One Click Communications
S.C SIPSTATUS SRL
XICOMM LLC.
Protel International LLC
CS Loxinfo Public Company Limited.
Sido Tel
BCC Business Communication Company GmbH
Teledesign plc
International Access Pte Ltd/Phoenix Comms
Route Solution
Asia Pacific Network, Inc.
MaxxLine GmbH
CRM CSI
Funmobile
Identidad Telecom
Universal Communication Telecom Services, Inc.
ZAIN MADAGASCAR
Sofcall Ltd
Tellcom
Multinet Pakistan Private Limited
Ratemax LLC
TRANSLTR LTD
Corporate Communication Network
Easycom Exchange SARL
JJ Telecoms Ltd
Liquid Telecommunications
Sprint
Trump Technology Limited
Intercall
Quickcom Global Communications Limited
Novolink Communications
TANKARD
Globex
E-Plus Mobilfunk GmbH & co. KG
IFX Networks
TELENORTH UK LTD
D-COM
Erbas Online
dialontel
VOX telecom SA
PT Comunicações
Oy Cubio Communications Ltd
Coast Media GmbH
XOTel SIA
Bellingham Telecomnmunications LTD
EXATEL S.A.
Callventure Telecommunications
Telecommit Inc.
Worldwebnet Telecom
World Link Group INC.
Wallgate
SNSKIES Private Limited
Spacetel UK Ltd
TELASCO Communications CJSC
Microtalk
Voxbone SA
Itaceu Telecom
Equinix Hong Kong Ltd
Tel. Pacific Limited
Nexgen Enterprise Pty Ltd
Distrion
Global Ringer
CINCO TELECOM CORP. (ORBITEL)
RED TELECOM, LLC
TELECOM NORTH AMERICA formerly 3U TELECOM INC
PHILIPPINE LONG DISTANCE TELEPHONE CO.
Condor Telecom
Exclusive Group
Pangaea Networks
QuaesTel Inc.
Vizada FZE
UIS Telecom Limited
Zapna
PacketExchange Ltd.
Wilshire Connection, LLC
Accenta Communications Limited
BT
Telmex
Nomi Mobile Limited
Telekom Austria TA AG
SIFY COMMUNICATIONS
Amerian Fiber Systems
Botswana Telecommunicatiions Corporation
GTT EMEA Ltd.
IP-Communications GmbH
Xtratelecom
COSMOTELCO SA.
Vox Carrier
Bamar Innovations Ltd, VMG Telecoms
Tktelekom
GTI (HK) LTD
Sky Telecom AG
PAETEC Communications
Borusan Telekom
Expereo International
GlobalConnect A/S
RETELIT SPA
Mediafon
Tele-Unity
Deutsche Telekom AG
Acord Telecom
Angel Telecom
GTS Novera
Talk 24
LambdaNet Communications Deutschland AG
Digerati Networks
du
Telecom Argentina
Kulacom
Kalaam Telecom Bahrain B.S.C
eTel Austria GmbH & Co KG
NGT Networks Pte Ltd
Luxconnect
Zephyr (MGI Media AG)
Speakeasy Communications Ltd
Singapore Telecommunications Limited
Telecomtrade ltd.
PLUS+ TELECOM - ROMANIA
TeleHUB Pte Ltd
QiiQ Communications
Latinode
QX TELECOM LTD
Philippine Global Communications Inc.
Hurricane Electric
Toptel Fze
Network Proximity
BridgeVoice Inc.
SingTel Europe Ltd.
Altec Telecoms S.A
Alrus Telecom Inc.
Delridge Information system
Ukrainian Mobile Communications
Clarus International (UK) Ltd.
Swiss Update NT AG
Clanlink Limited
Shinetown Telecommunication Limited
Stardex (UK) Limited
Telenor Global Services
Nesma Trading Co.
VERSCOM WHOLESALE UK
Effringo
Fortis Communications
Inter-connection LLC
Milleni.com GmbH
Termination Site,Inc
Worldlinks Corporation
ez2tel
Telstra International
TUŠ TELEKOM d.d.
Great Lakes Comm.
TWT
Surfcreek Communications, Inc.
Wardon Systems Ltd.
Pacnet
Stein Technology LLC
Xtec Communications Ltd
NTUK
JAZZTEL
KDDI Europe Ltd.
MTML
Teltac World Wide Telecommunication Solutions
CARRIER ITALIA S.R.L.
MAS CONNECTION, INC
Wateen Telecom
Janacom Ltd
Vectone Carrier Services Ltd
Europe Telecom Voice srl
Masergy Communications
Capital City Service
Gamma Telecom
Hawar Telecommunications Co.
Digitalvoipcall.com
MicroTech Enterprise Ltd
Mercury 7
Interdirect Tel Limited
Fuxion
9Eons Limited
Edge Telecom GmbH
Sisu Solution
Net-Connect Internet s.r.l.
Wise Communication Systems
G-Biz
Americatel Corp
SingTel
T-Systems Austria GesmbH/Deutsche Telekom
Rebtel Networks AB
Acestar Telecoms Hong Kong Ltd
VASC Software and Media
SPT
Motion Telec
Hilf Telecom BV
Versatel
France Telecom
Gencomtel
UTS (United Telecommunication Services)
C.I.T. Comunicazioni Internazionali Telefoniche S.A.
Vyke Communications
Easytel Communications (P) Ltd
Ritaj Telecom Systems Ltd.
IPX Telecom Limited
Elisa
MHD Telecom
Aegis Telecom
Freedom Calling Cards
Osta Collection
Callax Telecom Holding GmbH
Sentech Ltd
Mobik d.o.o.
Rapid Target Services Inc
A.A.Smartcomtech
Sateline Telecom
FPT Telecom
IPvision Inc.
Intelcom-Connect
Kalam Telecom & Import LLC
Bankai Group
Italy S.n.c.
Minutesxchange Communications
Nutel
EUPHONY SAU
Telekom Malaysia Bhd
COTE 'IVOIRE TELECOM
42com Telecommunication GmbH
Cronford Trading Ltd
Aicent
Anwarnet
Pre Pay & Go Ltd
Sultan Communication
a2zTel Communications Inc
Siponomic B.V.
Cosmofon
Vbee Come
P&T Luxembourg
Zajil International Telecom Co.
Thus
SMS GRP
Swiss Telecom Carrier SA
Rostelecom
Al Fouad Telecommunications
Mid-Atlantic Broadband Cooperative
Linxtelecom
FIBERTEL Trans Balkan Telecom AS
Ray-Corporation
Velstar International LLC
Acmetel
AEMS
Vodafone
ROSHAN
Localphone
Nable Communications
Teleglobal
SunPage Communications Pte Ltd
ACN Europe BV
Intelcom Line inc.
VTLW@venet
Bhaoo Telecom
CYTA
Yupee Phone LLC
Middle East Executive Centre Ltd.
COLT
Betwixt IP Limited
Dial Telecom Romania
mgi media AG
VivaTel Inc
Business Sviaz Holding
Redeye Telecom
NTT Communications
End2End
Smilous GmbH
BTELECOM
Dlugie Rozmowy S.A.
08 Global Limited
Bangla Trac Communications
A plus communication
ATelNet International Inc.
CITIC Telecom 1616 Holdings Ltd
Wind Telecomunicazioni
Nextcarrier Telecom Inc.
Centrum Solutions Ltd.
South China Telecom
247 Talk Limited
Telecom Italia Sparkle Singapore Pte Ltd
Protel S.A.L. Offshoe)
Callgate networks.
wi-tribe Pakistan limited
NTT America
Stour Marine Ltd
Gilat Satcom
CarrierDomain
BeoX
MobileCom
CRYSTAL CALLS LIMITED
Heswick
Switched Telecom International
Modern Gate Telecom
Bell Canada
WSO SOLUÇÕES TELECOMUNICAÇÕES
North Network
Montyholding
TELINTEL LTDA
Akai Tel
Hutchison Global Communications
NGNS
TI UK
Emcatel Networks Ltd
Total Call International, Inc.
Icon Global /Services Limited
Kamiliavoip
Dhiraagu Pvt Ltd
Secure Card Systems
EU Networks
Foreststar Networks
Ixatel Communications Inc.
Routexe Telecom Holdings Limited
Broadvox
CT Americas
Dial 023 GmbH
Allstream
ELDAN TELECOM
UG Com
ITELCOM SRL
Jin
Coolwave Communications B.V.
Belgacom International Carrier Services
Nowtel UK Ltd
The Carphone Warehouse Networks
Invitel International
DALASON GmbH
City Communications (SE) Limited
Vanco
Call Out International
ntelecom
Asia Telecom Ltd
Sentiro
TATA Telecom Inc
One World Networks
TelOne (Pvt) Ltd
Dorial Telecom, LLC.
Cogent Communications
AT&T
Tutankhamun Telecom
Apelby Communications
VOIP USA, INC
BTL
Call IP
Eutelia S.p.A.
Vonage
Junctionz Limited
Cencion Communications Limited
Wirenet AG
BBCOM
MAKECALL.NET
Transworld Telecom Ltd
Neosnetworks Ltd
MamaCall Ltd
Mir Telecom Ltd.
Completel
Globe Telecom
Transit Telecom
ZCarrier Inc.
ANTEL
Nxatel
Quadrilandia, Lda.
Aircel
GSM Trading Ltd & GSM Airtime Ltd
Worldfone Communications
Telekom Srbija
Maxis Communications Berhad
Onicommunications
Omantel
013 Netvision Ltd.
Telekomunikacja Polska (Polish Telecom)
Calltrade Carrier Services AG
QiComm
Gateway Communications Africa
WIOCC
Tier Exchange
KT Corporation
Tawasul Telecom
Nuetel Communications
SAFARICOM LIMITED
A Tel d.o.o.
Zanatel
MNI TELECOM S.A.
Mino
Multiplex Netzwerk Kompanie GmbH
IDT Global Limited
ICC TELECOM LLC
Ecotel communication ag
Nexwave Telecoms Pte Ltd
Covad Communications
First Arcom Limited
Total Access Communications PLC,. DTAC
Swisscom (Schweiz) AG
012 Smile Communications Ltd.
Nacionalinis Telekomunikaciju Tinklas
Sri Lanka Telecom
Saxon VoIP Wholesale Ltd.
SOFTCOMMS FZC
ODT Telecom
Murex Telecom LTD
Triangle Communications AG
REFER TELECOM
Engage Coms
Neuf Cegetel
Telecom New Zealand UK Ltd
MobileOne Ltd
MTN GROUP PLC
Telcopolis
Global Exchange limited
Blueberry Telecom Pte Ltd
dotTXT Solutions Ltd
iCard European Telecom
iBasis, Inc.
Linxtelecom Estonia OÜ
Interoute
Planetsky
Linkstar Communications Limited
IP-Bridge Inc.
TynTec GmbH
EtelNetworks
VNPT-GS Pte Ltd
Tiscali International Network
GuruCom
VSNL INTERNATIONAL
FiberLight
Easternet Communications
BSO Communications
LetsTalk Communication Ltd