This is a list of VOIP Service Providers who offer full service products primarily aimed at the small to medium sized business telephone market. Such companies typically support multi-line telephone systems, small PBX gateways and hosted VoIP (as an alternative to Centrex service). See also:

• VOIP Service Providers Residential Single line residential/business plans go here.
• VOIP Service Providers B2B Bulk origination/termination goes here.
• RIP VOIP VOIP provider cemetery

Service providers operating in more then one country are listed under each country. "Operating in a country" means a provider that has billing and support staff located in the country, and offers service subject to the regulations and consumer protection laws of that country.



Please include relevant information like SIP or IAX handoff, how outgoing CLID is set, whether a given account may originate multiple calls at once, etc.

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Providers in other countries/continents can be found here:

• VOIP Service Providers Business Africa
• VOIP Service Providers Business Asia
• VOIP Service Providers Business Australia
• VOIP Service Providers Business New Zealand
• VOIP Service Providers Business Middle East
• VOIP Service Providers Business Latin America
• VOIP Service Providers Business North America

Austria

• GlobalTelecom - Free P2P phone, Internet phone service. Worldwide VoIP provider for business and residential customers. Free accounts and in-network calling. Per seconds and unlimited rate plans.
• dic-online SIP/IAX2 termination, SIP/GSM-Gateway implementation, Austrian numbers, PBX services, ENUM
• eXeo.at VoIP consulting, VoIP integration, SIP/IAX2 termination, Austrian numbers, virtual PBX services, ENUM
• fairytel.at VoIP-Provider, SIP termination, Austrian numbers
• www.jajah.com Provides free SIP/IAX/Skype termination (termination to POTS at low rates). Own softclient also available
• nemox.net SIP/IAX2 termination, Austrian numbers, virtual PBX services, ENUM
• OpenTelecoms.org Free signup, free phone numbers. SIP Protocol.
• quipcom VoIP Provider offering Business VoIP solutions (ISDN PABX integration, Virtual PABX, Termination, phone numbers)
• Silver Server
• Tpad.com - The Global VoIP Network Bespoke IP PBX Hosted Solutions, compatible with any VoIP / SIP Device (ATA / IP Phone / Softphones / Nokia WiFi Mobiles) and includes powerful, yet easy to use Call Management Software.
• CC-CommunicationsSIP/IAX protocol, free phone numbers, ENUM.
• Xpirio: SIP provider (no IAX), geo numbers for their own DSL customers as well as for others with fixed IP, very reasonable rates, competent support, Asterisk and Smartnode experience
• Fonebooth Offering call shop/cyber cafe's solution in Europe

Belgium

• 3Stars Net FREE DID in Brussels or Antwerpen. Supplies SIP based VoIP. International DID's in 40 countries. Call to Belgian numbers from 0.01Ã�¢ï¿½Ã�¬/min. Online statistics, call forward, personalised Free voicemail, Fax2Mail, IVR, Teleconference, IP Centrix etc....
• Antiris bvba Belgian VoIP consulting with Open Source solutions. Installation ISDN (BRI) SIP gateways for old ISDN PABX.
• http://www.ethict.com Belgian provider of smart ToIP/VoIP consulting, integration and engineering services on Cisco CM, CPE based Asterisk solutions or shared (IP centrex) Asterisk infrastructures.
• Ip-ology provider of call-diversion on SIP and IAX and Centrex PABX service. For business use only. Call us: +32 2 403 48 40.
• NG Communications Belgian IVR and SMS solutions provider. Providing web based IVR and SMS management technology for creating advanced IVR and SMS applications. Modules include IVR menu, voicemail, fax-to-mail, conference, logical expressions, date/time selection, call transfer, etc.
• Open4ip conference call Belgian international conference call provider. PSTN and VoIP conference calls powered by Asterisk. Local numbers in main European countries and US.
• http://www.telcomserv.be Belgian provider of VOIP software solutions, provider of international calls towards fixed lines, PBX, for small, middle and big companies. Own (SIP)servers and switches running. Call us: + 32 54 43 50 50 (also international installations including full support. Also VOIP via "your_own_companyname.net."
• VoipCentral: We provide Virtual PBX hosting solutions, wholesale call termination, PBX and asterisk consulting services and collocation for VoIP networks.
• VoipGATE: Providing DID in FR, LU, DE, UK, BE, USA and other countries. Number porting is possible. Toll-Free and Premium DIDs for FR, LU, DE, UK, BE and USA available (some more available soon)!
• Fonebooth Offering call shop/cyber cafe's solution in Europe

Bulgaria

• BGOPEN.NET SIP/IAX A-Z termination. Free signup, low rates, virtual PBX service. Business opportunities.
• TelecomOne Ltd. SIP based VoIP provider. Offers flexible Web based billing solutions for calling cards and call shops, SIP/IAX A-Z termination.
• http://www.voipcallsecure.com VoIPCall Secure provides subscribers secure-encrypted phone service to businesses and high net worth individuals who want to keep their private phone calls private. Service available across the globe. Includes unlimited subscriber to subscriber calling and pay for service international calling.
• InterTelecom.bg Stable TDM voice quality to more than 300 voice carriers worldwide. Direct interconnection with all Bulgarian mobile and fixed line operators. 100% Guaranteed CLI.

Czech Republic

• Diamondcard SIP/IAX/H323 International termination. International DID's. Unlimited simultaneous call support. Custom VOIP software development. Call shop and prepaid calling card solutions. Local Prague office.
• Daktela s.r.o. Business quality SIP/IAX termination
• http://www.voipcallsecure.com VoIPCall Secure provides subscribers secure-encrypted phone service to businesses and high net worth individuals who want to keep their private phone calls private. Service available across the globe. Includes unlimited subscriber to subscriber calling and pay for service international calling.

Denmark

• TeleOut - Tailored Turnkey Telecom SIP and IAX VoIP business provider. Professional operator panel, flexible web based billing solution and tons of functionality.
• Transtech Communication Solutions Business quality SIP/IAX A-Z termination and DK/U.K./U.S. origination along with turnkey billing system, calling card, IP centrex and VoIP PBX solutions.

Finland

• http://www.icecom.fi With Icecom Operator Service environment, Multimedia PBX and WebClient companies can offer, host and resell VoIP services
• Cellip Simple and flexible IP-telephony at good price and with good support for the Swedish and Finnish residential and Small and Medium business market. Phones, adapters, soft-phones, and phone numbers in Southwestern Finland. Also virtual fax.

France

• Acropolis Telecom Operator Providing Centrex IPBX and direct voip trunk and also DID and toll free number in all Europe.
• ALL TOUBATEL TOUBATELOperator providing a range of professional and easy to integrate IP solutions such as IP Centrex, IPBX, Fax2mail, click to dial and also Private data links.
• Bluesat SIP/IAX termination and origination, billing, calling cards, IP Centrex solutions
• ColibriWithUs French IT Operator providing IP Centrex solution for business including billing, click to call, unified messaging, CTI, Queues etc...
• DirectCentrex
• ITworks
• ippi offers free SIP account & address, free geographical virtual number, free softphone, free voicemail, free teleconference and fax2mail.
• Open4ip conference call International conference call provider. PSTN and VoIP conference calls powered by Asterisk. Local numbers in main European countries and US.
• Open centrex French telecom operator providing a range of professional and easy to integrate IP solutions such as IP Centrex, IPBX, Fax2mail, Mail2fax and Conference Services
• Plug & Tel: Provides Telecom Solutions for operators,distributors,resellers (Termination,Origination,IPBx, Centrex IP, Callshops, Call Center, Switchless...and more).
• Proformatique SSLL Invents, develops or adapts free software based solutions like Asterisk
• Qualitel Networks IAX/SIP/h323 termination, mail2fax & fax2mail gateway.
• VoipGATE France: Providing DID in FR, LU, DE, UK, BE, USA and other countries. Number porting is possible. Toll-Free and Premium DIDs for FR, LU, DE, UK, BE and USA available (some more available soon)!
• VTELCOM SIP/IAX termination, French DID
• XIVO XIVO provides VOIP solutions based on Asterisk
• http://www.voipcallsecure.com VoIPCall Secure provides subscribers secure-encrypted phone service to businesses and high net worth individuals who want to keep their private phone calls private. Service available across the globe. Includes unlimited subscriber to subscriber calling and pay for service international calling.
• PROPOLYS PROPOLYS InfogÃ��Ã�©rance installe, surveille et supporte des serveurs Asterisk en production en 24x7.

Germany

• Xeepe project Xeepe project offers SIP/ISDN based phone solution for SOHO & SMB customers. Try it!
• dus.net SIP based provider, uses own DSL products or open access. dus.net manage large projects to migrate PSTN-Based Telphony to IP-Telephony. DSL from dus.net is available where T-DSL is available.
• monduno: A Germany based VoIP/PSTN Service Provider, with services in Europe and the USA. Specializing in SIP/IAX termination, PSTN Termination in Germany and the US, as well as free connections to German 0800 numbers and free PSTN access numbers in Germany to VoIP accounts.
• PBX-network: A European Service Provider based in Germany. Provides SIP/IAX A-Z termination, Virtual PBX and Support/Consulting for Asterisk Installations in Europe
• Corelynx Inc Hosted Enterprise Telephony for SME, Full Suite of Call Center Solution - Hosted and Onsite Model, Offers DID and 8XX numbers to more than 50 countries of the world. Capable of offering VOIP based IP PBX Solution on MPLS and VPN for countries where VOIP ports are blocked, IPLC and Colocation Services, A-Z wholesale and retail termination. Also offers any form of customization work on Asterisk or SER platforms.
• reventix SIPbase Business Class VoIP provider, able to handle DID for 5200 areas/cities in Germany, offers special tariffs to fit individual needs of customers, offers an office service and also an interesting provisioning modell for resellers.
• Tpad.com - The Global VoIP Network Bespoke IP PBX Hosted Solutions, compatible with any VoIP / SIP Device (ATA / IP Phone / Softphones / Nokia WiFi Mobiles) and includes powerful, yet easy to use Call Management Software.
• VoiceTrading: SIP WholeSale A-Z termination for businesses & B2B, seems to have very good rates to many destinations.
• VoipGATE: Providing DID in FR, LU, DE, UK, BE, USA and other countries. Number porting is possible. Toll-Free and Premium DIDs for FR, LU, DE, UK, BE and USA available (some more available soon)!
• WebServiceCenter Provider of innovative Internet solutions to save time and money using free/open-source based platform. Offers Uportal-based web applications: various modules that all use a common user/right management - great for flexibility and managebility. Some of the modules include: iPhone (Asterisk-based VoIP PBX with complete web-based user management, call rating and billing - pre-paid and post-paid), WorkFlow (innovative web-based document management system) and CMS - intuitive and flexible browser-based content-management system. Free trial available. Please go to website to sign up.
• FAHR TELECOM Full service VoIP provider (videophones, equipment, centrex, IP PBX, SIP IAX Accounts) worldwide.
• Fonebooth Offering call shop/cyber cafe's solution in Europe

Greece

• EWC VoIP services to business customers worldwide. Maximise the benefits of VoIP for your business with a global integrated service.

Hungary

• DIDWW:Hungarian DID 's available now instantly on on-line store.
• Fone Ltd.:VoIP company. Termination on all major telcos. Asterisk and IPPBX development
• Hungarian VoIP eXchange Hungarian VoIP retail and wholesale provider

Ireland

• Blueface - VoIP solutions for business
• Soft Telecom Ltd Hosted PBX services for Irish market with termination to all major Irish Telco's.

Italy

• Cheapnet VoIP services for business and home user, sip phone, geographic numbers.
• GEDAM Europe Customised as well as prepackaged solutions with the best quality possible.
• Intratec srl Complete solutions for Business and residential with best price in Europe.
• MC-link SpA, Voip solutions for residential and business.
• MovyTel IP Centrex Provider, best quality, Italian geog. numbers
• Open4ip conference call International conference call provider. PSTN and VoIP conference calls powered by Asterisk. Local numbers in main European countries and US.
• R&B IPCS Virtual PBX services, IAX/SIP termination, Italian DID numbers

Lithuania

EUROFONAS JSC. Voip provider in Lithuania. Termination to Lithuania.

Luxemburg

• VoipGATE: Providing DID in FR, LU, DE, UK, BE, USA and other countries. Number porting is possible. Toll-Free and Premium DIDs for FR, LU, DE, UK, BE and USA available (some more available soon)!

Netherlands

• Adaline Nederland BV: service provider for SIP inbound & outbound, all area codes NL, number porting, voip migration consultancy, equipment.
• Voicedata BV Pre-Configured Asterisk VoIP accounts, Open-Source solutions and Complete PBX infrastructures.
• Belentrale.nl SIP and IAX termination, reseller opportunities, all Dutch area codes and selection of worldwide codes, hosted PBX, video teleconferencing and a 7 days a week support plan on all services
• HighStream We focus on lowering tco & adding functionality; solutions are based on fine-tuned single purpose appliances, Asterisk and ScopServ.
• Ip-ology provider of call-diversion on SIP and IAX and Centrex PABX service. For business use only. Call us: +31 20 716.74.00
• NeoNova BV Complete VoIP PBX's based on Asterisk. Digium Gold reseller. Custom voice solutions and projects.
• Kahuna Business Solutions Complete IP telephony PBX solutions based on Asterisk Commercial edition & Scopserver management softwar\e, digium reseller,
• OmniPhone Custom VoIP solutions for personal and corporate users
• onecentral - Freedom within ReachCorporate Voice and Voip Service Provider.
• VoIPGate offers Voip2PSTN and PSTN2Voip services using local DID, Virtual PABX services
• Voipro Nederland BV Hosted PBX (Voi+) service for businesses, SIP/IAX termination, call center and hospitality solutions, custom projects.
• Fonebooth Offering call shop/cyber cafe's solution in Europe

Norway

• IPonNet AS Terminations world wide. Calling Cards. VoIP developments. White labels, call center solutions, billing, IP PBX solutions.
• IPLink AS Terminations world wide.
• Briiz telecom
• Phonect AS A white-label and SMB VoITSP in Norway and Sweden.

Poland

• Poland VOIP
• Datera - telecommunications infrastructure management consulting company for large organizations. Offers a full featured telecommunications server (IP PBX) for large and small companies and a low or no-cost phone service for residential and SOHO customers.
• IP Com SIP - PSTN Global Termination DID's from 22 countries Service support UK 8 and Poland Warszawa 225040496
• Versatel.pl VoIP solutions for Business Lodz
• VoIP Lodz A complete range of service for Buisness
• VOIP integrations, Asterisk AGI integrations Integrations of VOIP services for SIP providers like Inotel

Portugal

• 3GNTW Full featured IP PBX's with GSM routing and call centers centers with CRM. VoIP origination (worldwide DID's) and A-Z termination, suporting SIP/IAX/PSTN. Asterisk hardware distribution.

Russia

• Hi-Tech Telecom Incorporated VoIP origination and termination (A-Z), suporting H.323/SIP.

Serbia and Montenegro

• http://www.swissdial.ch Swiss Dial

Slovakia

• Digitale Providing DIDs, SIP/IAX2 termination in Slovakia. Slovak geographical, premium, toll-free numbers available. Number porting possible.

Spain

• http://www.interec.com INTEREC. Spain. H323/SIP/IAX T.38 g723,g729,g711. Contact: laura@interec.com
• Altecom FinalizaciÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�³n/RecepciÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�³n de llamadas SIP/IAX/PSTN. DDIs/DIDs EspaÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�±oles y Europeos. Hosting de Centralitas Virtuales y configuraciones IVR personalizadas. GestiÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�³n y estadÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�­sticas mediante pÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�¡gina web. Precios Super Bajos. Baja latÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�©ncia.
• Axxeso Telecommunications Ltd. Situado en EspaÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�±a, Alemania y Ingleterra - NÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�ºmeros geogrÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�¡ficos de ES, DE y UK - Visitanos!
• Cosmovoice - Un mundo mas cercano. Based in Spain, Madrid. VoIP Provider for personal, business users & Call Centers. SIP / IAX and H.323 Supported. Offering a huge amount of services including Asterisk Hosting, DIDs, Real Time Billing, Call Back & WebPhone Feautures. Peering, Reselling & Refer a Friend Programs avaiable.
• iPonline Phones telefonia IP Proveedor mayorista de minutos, servidores dedicados para VoIP, instalacion y configuracion de IP PBX, numeros entrantes por grandes cantidades, desarrollos a medida.
• +Voz - Spanish - +Voz - English Business and Premium rate numbers delivered over SIP & IAX.

• Universal Telecom Experts Business quality SIP A-Z termination and Spain DID with turnkey billing system, Hosted billing for asterisk, IP centrex and VoIP PBX solutions. Proveedor SIP con buena calidad . numeros geograficos de varias provinicias y soluiones hosteadas de Asterisk.

• INOVE servicios telemÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�¡ticos Sede en Murcia, EspaÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�±a. Telefonia ip avanzada y servicios de valor aÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�±adido. Saque el mÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�¡ximo partido a su sistema de telefonÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�­a ip incorporando servicios que le permitan realizar tareas diarias de forma comoda y sencilla. Aumente la productividad de sus empleados permitiendo el acceso a informaciÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�³n desde sus propios telÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�©fonos. Solicite una demostraciÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�³n gratuita.
• Ovvoe Ovvoe is an Internet Telephony Service Provider for small and medium enterprises offering both VoIP calls and IP PBX in IPCentrex, hosted and on site. IAX and SIP Trunk for your current IP PBX as for example Asterisk.
• Fonebooth Offering call shop/cyber cafe's solution in Europe
• Call-Labs WholeSale A-Z termination, SIP/IAX. Free signup, Premium quality, cheap rates!

Sweden

• Affecta AB Provides hosted IP PBX services to small- and mediumsized businesses.
• Anatal AB Service and consultant company for the technique of IP-Tele, Datacommunication and Business-TV (Mutlimedia communication). Services, know-how and the market leading products. Headoffice in Stockholm, with services around the whole country.
• Cellip Simple and flexible IP-telephony at good price and with good support for the Swedish and Finnish residential and Small and Medium business market. Phones, adapters, soft-phones, and phone numbers all over Sweden. Also virtual fax.
• Tele2 High quality SIP trunks for company PBX use, with Tele2 pricing. (website in Swedish)
• Tpad.com - The Global VoIP Network Custom designed IP PBX Hosted Solutions, compatible with any VoIP / SIP Device (ATA / IP Phone / Softphones / Nokia WiFi Mobiles) and includes powerful, yet easy to use Call Management Software. Per second billing, no connections fees.
• wx3 Based in Kista, Stockholm and Oslo, Norway. Cost-efficient, advanced PBX services with equipment financing for the Swedish residential, SOHO, & business market. Phones, adapters, soft-phones, SIP routers, phone numbers : all You need for Your communication services.
• Fonebooth Offering call shop/cyber cafe's solution in Europe

Switzerland

• C.I.T. Comunicazioni Internazionali Telefoniche SA SIP/IAX2, voipEntity IP PBX, Carrier to Carrier, Business VoIP
• e-fon SIP/IAX2, Virtual PBX, Swiss DID
• swissipcom SIP+Swiss DID+Unlimited calling
• Swiss Dial - http://www.swissdial.ch
• OpenNet.ch SIP/IAX2, Analog + ISDN-AnschlÃ���Ã�¯Ã�¿Ã�½Ã���Ã��Ã�¼sse inkl. CallerID Routing
• Citovox SA - http://www.citovox.ch SIP/IAX2 interconnection, IP Centrex
• Fonebooth Offering call shop/cyber cafe's solution in Europe

United Kingdom

• http://www.2cancall.co.uk VoIP provider for UK Businesses. Sip trunk services, UK DDI's and PBX provider for business users and resellers. Fully itemised per second billing.
• A1isp VoIP Services Wholesale Voip from .9 ppm UK, Europe, USA, Canada etc. Volume minutes can be negotiated down. Termination for SIP/IAX. Revenue share numbers (0844/0845 etc) VoIP server hosting in our data center with Quality bandwidth, monthly contracts.
• http://www.alwaysonvpn.com alwaysON specialising in VPN based voip with gauranteed SLA's.
• http://tel.aql.com Business VoIP provider, Termination to SIP, IAX. Private peering possible. UK DDI's. Asterisk friendly provider.
• astartelecom.com - Billing, Routing and Management software for Asterisk and MySQL - (London, United Kingdom)
• Alpha-Voip Small Business/ Commercial Voip serviice provider, Self service web site, register download and connect in minutes. SiP phones available, prepaid or credit accounts avaialbe.
• Asterisk2PSTN International PSTN termination VoIP Service Provider using SIP protocol. Support for GSM/G729 Codecs. RFC2388 DTMF, NAT friendly network. The service is mostly dedicated to Asterisk PBX owners but softphone users and phone adapter users can also benefit from this service.
• As You Need.com Supplies a range of SIP based VoIP services to the UK SME market with the option of on-site installation for London businesses.
• Call & Talk - Provides SME & Corporate VoIP services worldwide. Instant Small Business Accounts available. UK and International phone numbers.
• Care Telecom Business VoIP providers with expertise in both hosted and IP PBX solutions. Accolade winning solutions to SME's in 2007. Complete infrastructure management including VoIP over WiFi, and dedicated QoS VPN's using broadband technology. free advice and professional service.
• Citrus Networks Ltd. Business VoIP provider who speaks plain English!
• Connexions 4 London (C4L) Have their own UK network infrastructure ensuring QOS and no internet traffic between the VoIP call and the PSTN network. Pure business class, free advice and professional service.
• Claros VoIP Supply next generation small business phone systems and VoIP services including advice and consultancy. UK-wide on-site installation available. We provide our own Teleserver VoIP PBX as well as bespoke asterisk based VoIP deployments. Full SIP/IAX2/PSTN connectivity.
• Corelynx Inc Hosted Enterprise Telephony for SME, Full Suite of Call Center Solution - Hosted and Onsite Model, Offers DID and 8XX numbers to more than 50 countries of the world. Capable of offering VOIP based IP PBX Solution on MPLS and VPN for countries where VOIP ports are blocked, IPLC and Colocation Services, A-Z wholesale and retail termination. Also offers any form of customization work on Asterisk or SER platforms.
• DataComms Europe Ltd. Client site and hosted soft PBX solutions, delivered across ADSL or any point to point. Any 0207/0208 number routed to your VOIP system. SLA's welcome.
• Delacon Limited — We provide a Speech Recognition IP PABX service to SME's We have have servers right across the globe and can build custom IVR solutions using Asterisk and Nuance Speech Recognition services, IP Centrex Services. UK/New Zealand/Australian based DIDs. A reseller program is available for those interested in promoting services.
• DORETEL Communications, Inc. International Wholesale VoIP Service Provider, Cisco & Quintum CPE Provider, VoIP Solutions Provider
• Elisha Telecom Ltd. — Fully Managed, hosted VoIP PBX System supporting DDI's from UK, US, and 30+ Other Countries. UK/BT DID Migration available. White label reselling options. SIP/IAX Support and Termination.
• Entacall UK VoIP provider. Full range of products provided to reseller channel. Centrex and IP PBX with white label support. UK DID's available.
• eSMS UK inbound numbers (non geographic & local area codes) with termination to SIP or IAX. SIP/IAX originated outbound.
• Evolve Telecommunications One stop VoIP and internet phone company for all your business phone, telecoms and VoIP solutions. Find out how we can help.
• Fluidata : Remote VoIP Network for Business users in UK and Europe with web control for each virtual PBX.
• FordVoice(tm)UK Origination and Termination we have 5000+ UK did's avaliable.
• Genzee Ltd VoIP Consultants, Bespoke and Virtual PBX services, SIP/IAX2 IP Phones, Numbers and Minutes. We support both SIP and IAX2.
• gradwell dot com Limited Offers UK based Virtual Centrex Service, UK DDIs, IAX Termination
• IP-PABX care@ip-pabx.com for a free test account. PBX extensions ring anywhere with IVR, Call Record, Call Logs, Voice Mail, incoming global phone numbers. All web-based.
• HostTALK Ltd HostTALK offers Cisco based IP Centrex services backed by its QoS based Virtual Broadband network which offers an SLA.
• IP Com SIP - PSTN Global Termination DID's from 22 countries Service support UK 8 and Poland Warszawa 225040496
• http://www.ipcentrex.ltd.uk - IP Centrex UK provides network and VoIP telephone solutions for the SME market. Single and home users to multi-site international companies, services focus on voice and data integration solutions.
• VoIP Business-ipClouds (VoIP UK) VoIP for business, made simple, ipClouds Business solutions offer cutting edge VoIP solutions for your enterprise
• http://www.ipnconsultants.co.uk - QoS Business VoIP-to-PSTN termination to global destinations. UK and USA offices. SME and Corporate VoIP solutions.
• IPtransit SME, Call Centres, Military, Corporate provider. Sip, H323, SIP URI, Inbound, LoCall Plans, PC and Mobile Phone clients, well suited to VSAT, SCPC, ADSL, DSL, even Dialup and other contended bandwidth clients, 723.1, &29, 711 and true T38, Calling cards and GSM Gateways, BYOD welcome, test accounts.
• Keyfonics Ltd Specialist VoIP provider, offering a range of Internet phone solutions for business both large and small. Services include full installation and back up technical support. Line packages include many advanced features and calling minutes.
• London Voice and Data Exchange Limited Reseller only service based in London. Full range of UK phone numbers, business class voice, automated payment systems, configurable tariffs
• Mistral Internet Carrier grade provider, based on SIP using Broadworks.
• MondoTalk - Hosted PABX, Clear quality, Low rates. Call plans for many countries including utimed calls for Australia. No access fees, No contracts, No cancellation fees, No flag falls and No Connection fees. Support T.38 for faxing. Too many features to mention here. For information on the hosted PABX please use the MondoTalk website feedback form.
• Netzen Solutions Ltd - UK based Virtual PBX (VPBX) Centrex Service, UK DDIs, IAX Termination & IT Services
• Network Integration Technologies - Network Integration provides solutions and services to connect, secure and manage your business IT systems and communications. Business class managed VoIP telephony. Wireless Voice & Data Networking. (IAX2 / SIP)
• NigeriaMinutes.com Provider of Minutes to Nigeria Mobile and Fixedline. Several high quality in-country interconnects. Low latency, resillency, white routes.
• OpenTelecoms.org Free signup, free phone numbers, revenue share on premium rate, business class service
• Oralnet A company which provides tailored VoIP solutions for businesses; Oralnet provides call termination (IAX2, SIP) and DDI's. It develops, manages, installs and supports digital PBX's (inc. Asterisk), provides failover and high availability, conducts full BRA/ROI analysis, and also provides all manner of Internet hosting and connectivity services.
• OrbisTelecom.com Low cost business class calls, Free signup, over 50,000 free phone numbers, revenue share on 0871, 0870, 090* and 0207 / 0208 numbers, 50% revenue share on VoIP reseller accounts
• http://www.pipex.net/ port your existing BT numbers. Flat rate plans.
• RadiuSIP - SIP based trunk replacement for ISDN aimed at SIP-enabled switches. Available in 2, 8 and 30 channel packages. Multiple UK and international numbers can be mapped to channel. Operated by Call UK. Full range of UK and US geographic numbers available, plus UK non-geographics including 0800 Freephone.
• RPS Communications-Hosted managed SME Voice Over IP Services, IPPBX, Call Centre, Conferencing, Low rate calls,custom designed telephone solutions for the SME market.
• sip2go Sip trunks. Sip-PSTN global termination. Inbound global number.Enum & UPT (87810)
• TalkON Ltd - SIP, IAX -> PSTN termination, UK and International numbering, hosted and site based IP-PBX, hosted call centres. Unique VoIP with PSTN failover (mid-call), when broadband fails.
• Telappliant - SIP -> PSTN termination, Inbound UK and International numbering, Secure VPN VoIP services, IP PBX solutions
• TelCR - SIP -> PSTN global call termination
• TelNG - Provider of Contrex - converged IP/mobile/POTS Centrex solution
• Terravon Ltd. - Provider of Business Voice over IP Telephony Services. UK and Worldwide DDIs and A-Z Termination available. SIP, H.323 and IAX supported.
• TOUBATEL Operator providing a range of professional Ã���Ã��Ã�¢Ã��Ã�¢Ã�¯Ã�¿Ã�½Ã��Ã�¬Ã���Ã�¯Ã�¿Ã�½easy to integrateÃ���Ã��Ã�¢Ã��Ã�¢Ã�¯Ã�¿Ã�½Ã��Ã�¬? IP solutions such as IP Centrex, IPBX, Fax2mail, click to dial and also Private data links.
• Tpad.com - The Global VoIP Network VoIP / SIP services to UK SME's / Home users. Bespoke IP PBX Managed / Hosted Solutions including award winning Business Broadband from Supanet - Business Broadband. Compatible with any VoIP / SIP Device (ATA / IP Phone / Softphones / Nokia WiFi Mobiles) and includes powerfull, yet easy to use Call Management Software.
• VoiceHost.co.uk - UK VoIP Internet Phone Service Offering services to UK business and residential users. Services include UK geographic/national telephone numbers, Virtual PBX, Fax 2 Email, Call Queues, IVR and more!
• EWC A complete range of service offerings to optmise business call costs across the globe
• VoIP Unlimited - Provider of SIP trunking services to IT and Telecoms resellers, IP to PSTN UK and International, Managed Billing, DSL and numbering services
• Voipfone UK VoIP Provider offering internet telephone solutions for business and home. Services include UK, international, geographic, non geographic and free phone 0800 inbound pstn numbers(DDI), "Call Back" form for websites, fax to email, IVR, extension numbers, call queues, ring groups, voicemail, conferencing, 3-way calls, Calling Line Identity (CLI) and others.
• VoipGATE: Providing DID in FR, LU, DE, UK, BE, USA and other countries. Number porting is possible. Toll-Free and Premium DIDs for FR, LU, DE, UK, BE and USA available (some more available soon)!
• Voiprofessional: Hosted IP PBX System. DID's for all of UK, Europe and International. Number porting. Free call, and 'local rate numbers'. Pre-pay and post-pay plans. VoIP hardware at our store. Advanced features such as Fax to email, Voicemail to email, IVR's, & Reception functions. 2-50 Users.
• VoIPtalk: One of the most popular and leading Internet telephony services in the UK, offering 99.999% service availabiity and spanning across 5 key data centres, the VoIPtalk network offers a host of advanced features and boasts over 25K subscribers, offers prepaid and postpaid talk plans, including UK and world unlimited tariffs. Advanced features include time of day based forwarding, web to SMS, and ThreeCall service.
• Voxige: Managing Communications. Virtual PBX service designed for the SME. UK geographic and non-geographic DDIs available. Competitive call rates and high availability. Wholesale termination available by SIP/IAX.
• VoxHub A hosted Internet phone system. Asterisk based. Resellers and Service Provider packages available. Works with any SIP provider.
• Westany International Voice Prompts pre-recorded by professional voice artists for Asterisk. Currently British English (male and female) asterisk packs are complete with German and French in production. All of the prompts can be extended by the same voice artists. Freephone 0.
• NTA VoIP We are a service provider that is providing VoIP solutions for your businesses; NTA:ltd.co.uk provides calls via VoIP(IAX2, SIP) and PRI(ISDN 30), BRI(ISDN2e), PSTN(Standard analogue). We also provide DSL.
• http://www.voipcallsecure.com VoIPCall Secure provides subscribers secure-encrypted phone service to businesses and high net worth individuals who want to keep their private phone calls private. Service available across the globe. Includes unlimited subscriber to subscriber calling and pay for service international calling.
• VOIP R US Voice over Internet - Reasonably priced VoIP business telephone systems.;
• VoIP-X Communications Limited VoIP-X provides very good cost/quality ratios on worldwide destination. Find out how you can connect your business to The VoIP-X Clearing House
• YapTele.com Very competitive rates - SIP/IAX Trunking (0870/0845/0844/0906) - Premium rate services - Bespoke app development - Encrypted comms
• Fonebooth Offering call shop/cyber cafe's solution in Europe
• Speedflow Communications Limited SIP/H323. Wholesale termination, software and hardware solutions, Ukraine DID's, call centers solutions. Offices in UK and Ukraine

Turkey

• EWC VoIP services for business customers worldwide. Istanbul telephone numbers available

Ukraine

• ALRUS Telecom H323/SIP/T38. Ukrainian based International telephony Service provider. Wholesale terminationan and transmitting.
• Diamondcard SIP/IAX/H323. International termination and DID's. Unlimited simultaneous call support. Custom VOIP software development. Call shop and prepaid calling card solutions. Local Kiev and Odessa office.
• Speedflow Communications Limited SIP/H323. Wholesale termination, software and hardware solutions, Ukraine DID's, call centers solutions. Offices in UK and Ukraine