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 Europe
• VOIP Service Providers Business Middle East
• VOIP Service Providers Business North America

Argentina

• CHECKBOX, VoIP Carrier, Wholesale A-Z, Retail. We provide VoIP connection worldwide, we have the BEST A-Z rates. Special prices to USA and Canada $0.007 and lower, Direct Routes to many countries.
• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• Hosted Callshop Solution Callshop Software for Callshop Owners and resellers. Offers complete hosted Callshop-Solution for free, based on asterisk, mysql. Free choice of Carrier.
• DIGIVOICE - Telefonia IP (VoIP). Operador Mayorista en Argentina. Servicios telefonicos licenciados por la Comision Nacional de Comunicaciones (CNC). Telefonia Privada y Publica. Numeracion Local. Canal de comercializacion de alcance nacional constituido por Agentes Oficiales Zonales.
• FONOEMPRESA Telefonia IP - VoIP - Virtual PBX. Proveedor de Servicios de Telefonia IP. PBX Virtuales. Numeracion entrante en Argentina y las principales ciudades del mundo. Servicios de IVRs cutomizables. Call Centers
• FreePhoNet Wholesale VoIP services for call shop and call centers, now with secure transaction website. Servicios VoIP al por mayor para Locutorios y Call Centers.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• Hablemos Wholesale Provides cheap SIP termination services. No monthly fees, prepayment only, paypal accepted, instant signup with bonus.
• Hablemos Lineas entrantes, llamados salientes, IP PBX virtual, voicemail, servicios de 3er generacion, etc.
• 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.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• Soluciones Root Un buen nombre no necesita eslogan. Servidores dedicados en todo el Mercosur (Argentina, Brasil, Paraguay y Uruguay). Dedicated asterisk's servers (indoor) in all Mercosur zone (Argentina, Brasil, Paraguay y Uruguay) and remote administration outsite Mercosur.
• 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.
• VoIPServiceArgentina.com. Directory.

Brazil

• CHECKBOX, VoIP Carrier, Wholesale A-Z, Retail. We provide VoIP connection worldwide, we have the BEST A-Z rates. Special prices to USA and Canada $0.007 and lower, Direct Routes to many countries.
• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• Telefree Brazil is a TDM and VoIP Provider; offering direct routes in to most major Brazilian cities. Contact sales@telefree.com.br.
• Hosted Callshop Solution Callshop Software for Callshop Owners and resellers. Offers complete hosted Callshop-Solution for free, based on asterisk, mysql. Free choice of Carrier.
• BlasterVoIP oferece Servicos de Telefonia IP com alta qualidade e recursos acessiveis para Usuarios, Revendedores e Operadoras de Servico VoIP (Carriers), no Brasil e mundo todo. Possuimos um excelente servico de atendimento ao cliente e suporte tecnico e estamos prontos para superar as suas expectativas.
• CallnFax.com Local telephone numbers from over 50 countries delivered to Mobile and Landline phones. No per minute charges, all flat rate service for around $15 per month.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• NEOVOICE TELECOMUNICACOES Ltda Chamadas de baixo custo com qualidade. Planos para chamadas locais e planos para chamadas DDD (nacionais).Pacotes de minutos variando de mil ate 25 mil minutos, alem de plano sem compromisso mensal. Planos para empresas, usuarios de Asterisk e Cyber Cafes.
• Ditel WDN Brasil Economize fazendo ligacoes pela Internet. VoIP Service Provider, A-Z Termination, VoIP Solutions Provider.
• Terravon Communications, Brasil SIP/IAX/H.323, Servios de VoIP Local e de Longa Distncia, numeros de telefone locais (DIDs), numeros Toll Free (0800) Brasil, EUA, Canada, e 73 outros pa­ses, servios de colo
• Cliconnect Internet Telephony, Brasil Cliconnect provides a simple, reliable and friendly communications tool .Cliconnect offers free global telephony, to make unlimited, superior quality voice calls via its next-generation peer-to-peer software.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• LIBRA TELECOMUNICA veis para todo o Brasil e para o mundo. Entre em contato conosco (37)3212-9349 ou pelo email libratelecom@yahoo.com.br
• http://voip.melig.com.br Brazilian Voip service from one of the largest Internet Portals and Internet Provider in Brazil , free voip calls between users , free of signature charges .
• 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.
• 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.
• BlasterPhone offers features-reach, high-quality Internet Telephony services and solutions to individual users, small companies, large enterprises and carriers worldwide. We provide with unmatched Customer Care and Technical Support and are ready to meet and exceed your expectations.
• VoIPServiceBrazil.com. Directory.

Chile

• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from $0.0045.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• 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.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• VoIPServiceChile.com. Directory.

Colombia

• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from $0.0045.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• http://www.ipcolombia.com Servicios y soluciones en todo tipo de comunicaciones IP, Integracion de sistemas voz y datos, Automatizacion de servicios de atencion al cliente.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• http://www.vipsiontech.com Soluciones integrales de Telefonia Privada IP, VoIP, Soluciones y desarrollos a la medida sobre Asterisk. Proveedores de equipos VoIP, sip, H323.
• binnacleita proveedores de equipos VoIP sip, H323 con oficina en Bogota Colombia.
• FordVoice(tm) Servicios de Telefonia VoIP, Plataforma a traves de Tier-1 para tarjetas de llamadas de larga distancia. Proveemos terminacion y origen en US, CAN, Reino Unido, Argentina, Brazil, Spain, Venezuela, Mexico, y Ecuador pronto estaremos con origen en Colombia.
• Hablalatino - Proveedores de DIDs (lineas virtuales, numeros de telefonos, IP Phone, PBX virtual) en Bogota, Cali, Medellin, Barranquilla,Bucaramanga. (in English) DIDs, Telephone numbers, and more in Bogota, Cali, Medellin, Barranquilla,Bucaramanga.
• 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.
• MundiCalls - Proveedor de servicio VoIP. Telefonos IP, ATAS, Telefonos USB, Terminacion mundial de llamadas de larga distancia. Numeros Virtuales, DIDs, Conferencia telefonica, Buzon de llamadas, Transferencia de llamadas.
• 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.
• VoIPServiceColombia.com. Directory.
• Internet Phone
• Soluciones Integrales Linux - Acevedo Soluciones Tecnologicas Virtual IP PBX - PBX Virtual - VoIP Service Provider based on Asterisk Trixbox - Proveedor de Telefonia IP basado en Asterisk Trixbox

Costa Rica

• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from $0.0045.
• 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.
• PBX Virtual de Costa Rica Provider of Asterisk PBX systems and IP telephones. Based in San JosA©.
• Dow Networks Costa Rica - Complete VoIP Solution Provider, Toll free, 1-800, ITFS from 80 countries, UIFN from 30 countries, DID, IP PBX and IP Call Center.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• Costa Rica Telecom - Virtual PBX and Centrex systems, DIDs, Private Telecom networks and Call Center outsourcing.
• Voip Systems Costa Rica - Provider of Asterisk PBX Systems, reseller of Sangoma, Granstream.

El Salvador

• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• 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.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• Vozcafe International, El Salvador - Wholesale rates, International VOIP origination and termination, specializing in internet cafes and corporate enterprise. 01
• 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.

Mexico

• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from $0.0045.
• CallnFax.com Local telephone numbers from over 50 countries delivered to Mobile and Landline phones. No per minute charges, all flat rate service for around $15 per month.
• 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.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• Syner IP International long distance SIP and IAX termination, DIDs from Mexico with unlimited inbound calls starting at $5 a month. Prepaid and rent plans available. Asterisk consulting, training, custom application development and billing systems.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• Athena Soft : VoIP Services
• binnacleita proveedores de equipos VoIP sip, H323 con oficina en MA?i??A?A?A?A?A?A?A?A?A?A?i??A?A?A?A?i??A?A©xico D.F
• Suavemente, S.A. de C.V. VoIP SIP Services for home and business and providers. Specializing in Servicing Call Centers and Asterisk end users or Asterisk ITSP's.
• SuperNetTel VoIP Serving the World, Sirvir el Mundo, offering flat rate calling plans, DIDs, Tarifas Fijas
• ZingoTel Global Broadband Phone Service provider. Serving US, Canada, Latin America, and beyond.
• 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.
• VoIPServiceMexico.com. Directory.
• Trixbox de Mexico local DIDs, Emphasis on Latin America, SIP trunks.

Panama

• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Voice Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower.
• Cyber Cast Intl Centrales Telefonicas Asterisk. Canal Autorizado Polycom. Soluciones en Centrales Telefonicas IP, Call Center, Servicio de Centrex
• 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.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• VoIPServicePanama.com. Directory.
• Trixbox de Mexico Todo sobre telefonia IP en el territorio Mexicano.

Peru

• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• Hosted Callshop Solution Callshop Software for Callshop Owners and resellers. Offers complete hosted Callshop-Solution for free, based on asterisk, mysql. Free choice of Carrier.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates special prices to USA and Canada.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• IPBusinessSoluciones de voz sobre ip, punto a punto, centrales asterisk, Locutorios. Las mejores tarifas para llamar a Peru
• Iaxin: VoIP Services, Wholesale Sip/Iax Termination
• 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.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• Soluciones VoIPSoluciones de Telefonia IP, Servicios a Per?erica Latina(Soluciones OpenSource).
• 
  TeleIP Desarrollamos soluciones de centrales telefonicas IP (IP-PBX TeleIP) basadas en el software Asterisk, soluciones para call centers y general estamos en capacidad de desarrollar soluciones a medida para sus necesidades y las de su empresa. Ademas comercializamos una gama muy completa de equipos de telefonia IP a traves de nuestro Catalogo Virtual, lo que nos permite ofrecer a nuestros clientes una solucion integral.
• Infobox SACDesarrollo de IVR, implementaciA?i??A?A?A?A?A?A?A?A?A?A?i??A?A?A?A?i??A?A?n de call center, integracion CT.
• IBS Technologies SACIntegraciA?n de Telefonia IP Sobre plataformas existentes, ImplementaciA?n de Call Center, InterconexiA?n de Oficinas, Anexos Extendidos y/o remotos, Internet Satelital, VPN para empresas, Aplicaciones Web : Callback - WebPhone, etc.

Puerto Rico

• 800PBX (Now PBX Plus) provides virtual pbx services in 40 different countries. You can point your SIP number or use your own termination. The PBX services are free on numbers accessible in 40 countries on a virtual extension. You can forward calls to Skype or Google Talk or your asterisk switch.
• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates. Special prices to ALL USA and Canada $0.0095 and lower NPA/NXX Billing Codes from $0.0045.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• VOZ de Puerto Rico VOZ is paving the way, proving businesses of all sizes with the advantages of advanced networking and

connectivity. VOZ delivers business class voice services. Solutions include, Centrex/V-PBX, SIP Trunking, PRI Delivery.

• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account

Venezuela

• Logic Ring Very competitive International VoIP Reseller programs for agents and private label resellers.
• CHECKBOX, VoIP Carrier, Wholesale A-Z, Predictive Dialer, Call Center Services. We provide VoIP connection worldwide, Call Center Services, Calling Card, eFax, Broadcast services, we have the BEST A-Z rates special prices to USA and Canada.
• CallnFax.com Local telephone numbers from over 50 countries delivered to Mobile and Landline phones. No per minute charges, all flat rate service for around $15 per month.
• Comtel Networks, Corp. Providers of the brand new popular MAXIMA calling cards, most cost-effective cards you will ever find. We also provide all kinds of services, PBX, Broaband Phone Lines with Adapters, on-line CDRs, Export to PDF and CSV, Realtime billing.
• Fonlogic C.A. DIDs with 1-30 channels from USA, Panama, Peru, Chile, Argentina, El Salvador, Eropean Union. Voip Venezuela.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• 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.
• IPsmarx Technology, Inc. A-Z Wholesale Rates, Direct Routes, Test Account
• 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.
• VoIPServiceVenezuela.com. Directory.