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

VOIP Service providers divided by country/continent:

• 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 Latin America
• VOIP Service Providers Business North America

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.

• ActiveServe PBX Hosting 3CX, Asterisk, Elastix, and Trixbox PBX Hosting. CAT-5 Data Center, Active NAT Assistance™, Fully Managed Cisco Network, Cloud Platform. No hardware or software to purchase or maintain. 24/7/365 Support. Do-It-Yourself or Turn-Key
• FlexITy Solutions FlexTEL CLEC in Ontario providing SIP trunking and fully managed, multi-tenant voice services (hosted Unified Communications) to SMB and Enterprise customers. DID's in Canada. Can White Label service as well.

See also

• Business VoIP Comparison Website
• Telecompanies.com The worldwide telecom directory.