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 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

Australia

• Live-TechOffers TalkSwitch VoIP Hardware & Lynk VoIP Services | Remote Technical Support | VoIP Service Plans | Worldwide Support
• Atlantis VOIP Provider of premium numbers (1900, 0900) from 22 countries, including Australia, New Zealand and UK with the best payout. We also have turnkey audiotel solutions. SIP, IAX2 or PSTN
• http://www.brisnorth.com.au/ Business VoIP solutions, SIP and Fax Servers, Virtual PBX, private network, multi-line VoIP, inter-site VoIP, voice and data solutions. SIP Trunk monthly Plans. 1300/1800 services. Even Traditional PABX integration with VoIP.
• Callcentric Australia - Pay Per Call business rate plan. Low rates. Phone numbers available in Australia and internationally. SIP; BYOD.
• iFoneline PBX iFoneline keeps the development cost low and passes the saving on to you in the form of low initial investment rather than building a complex IP-PBX system with features that you do not need. It's simple, user-friendly Windows-based system that can be up and running in less then 30 minutes.
• Conexim Australia Pty. Limited — Provider of managed business solutions, VOIP/DDI/SIP/IAX/PRI termination, IP-centrex PABX, fax to email gateway and outsourced IVR services.
• Intellect IT We provide a full range of support. Including system integration, maintenance, security, cisco, voip, phone systems,voip pbx server, switchvox, asterisk, and open source voip.
• Delacon Australalia Limited — We provide a speech recognition IP PABX service to SME's. We 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.
• dni Telecommunications Business VoIP Solutions. Virtualise and Streamline - Virtualised VoIP PaBX, 1300 and 1800 VoIP Termination, Fax To Email To Fax, Voice To Email, Line Hunt, IVR Solutions and Live Answering Services. Max 10 Channels per service, CLID as set by user, SIP only.
• http://www.voi4business.biz| EWC] Business VoIP services to business customers worldwide. Global technical support for multi site organisations.
• FaktorTel: Local untimed calls using SIP or IAX (Asterisk) protocols. DID's are also available in all capital cities. Calls can be made anywhere in Australia or across the globe to landline or mobile phones. FaktorTel also supports all standard ATA's, PBX's and Software phones.
• FreeCall - provide SIP and IAX business solutions.
• GagaPhone offers DIDs around the world as well as outbound call termination.
• ISPhone Australasia Pty Ltd - a provider of Voice-over IP services and equipment.
• North Sydney IT Support - a provider of Cisco CallManager Express solutions, VoIP services and support.
• MaxoTel - SIP services providing multi-line DIDs, Hosted PBX, 1300/1800 services and virtual faxing.
• 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. For information on the hosted PABX please use the MondoTalk website feedback form.
• https://www.mynetfone.com.au/business-voip-solutions/ enterprise and business solutions, Virtual PBX, private network, multi-line VoIP, multi-site VoIP, voice only solutions, voice and data solutions, co location solutions.
• Mydivert.com an Australian DID Provider offers local VoIP DID Virtual Phone Numbers in Australia. A low cost virtual international telephone number with free incoming calls and call forwarding
• Mytel Voice & Data Pty Ltd — Business grade VoIP to PSTN Termination - Focus on Asterisk related software development and support. Advanced features including Click-to-dial (web and Outlook), Hosted Operator Panel, Screen Based Teleconferencing and Call Centre Apps. IP Centrex Services, Asterisk build/deploy, Co-Location and Gateway Management. Specialists in Business / Wholesale markets Asterisk build, support and maintenance services.
• Nehos: Formerly i-fone VoIP to PSTN and PSTN to VoIP Termination via SIP, IP centrex, DID numbers of Australian based area codes.
• Net Free Calls Australian, International and mobile dialling. All in one simple application for your business. Servers in Australia and international. Free calls to other users, great rates for phone termination.
• Netsip - SIP Trunking , Call termination, Geographic & 1300 number hosting. PSTN Quality Business grade service. un-contended private network tails & ISDN interfaces available.
• Neural Networks provides business grade Hosted Virutal PBX solutions, with a 99.9% Service Level Agreement Australia wide. Our services include tailor-made hosted PBX's, 1300 & 1800 numbers, call center solutions, bulk geographic DID ranges and direct voice DSL tails. Premium quality wholesale minutes available.
• OneNetwork Business Grade VoIP Provider, SIP/IAX Termination, Number Porting and 000 supported, untimed calls to any Australian Number (inc. mobiles and landlines), Nation-wide DIDs, managed services with Internet/VPN.
• Preface Voice Service Provider offering wholesale G.711a SIP and IAX origination/termination in Australia. Local number porting available. 000 access. Prepaid model with no minimum purchase.
• Resonance Networks Business Centric VoIP Provider, SIP/IAX Termination, Number Porting and 000, untimed landline calls, asterisk application development and integration, DIDs in all capital cities, fully asterisk compliant, managed business solutions, support packages.
• Spin VOIP Provides DID numbers, free calls, low rates, no lock-in contracts, free Sydney based tech support
• Talkglobal business voip solutions: Free intra-company mobile calls. IP PaBX, Local Number Portability - DID's anywhere in the country, 1300 and 1800 VoIP Termination, Fax To Email To Fax, Line Hunt, IVR Solutions and auto-attendant,Digital receptionist programming.
• URL Networks:URL Networks is an Australian based VOIP company. We specialise in VOIP, SIP Trunks, HostedPBX and Wholesale. We are open source friendly as well.
• VirtualGlobalPhone Provides Australian virtual numbers.Incoming calls to this number can forwarded to any destination in the world at very affordable prices.Destinations can be landline/mobile/Skype ID/SIP Account or even to your IP PBX/3CX systems.
• VoicePipes Business and residential services, hosted PBX, SIP trunking. Also offers a variety of VoIP hardware including IP phones, ATAs, IP PBXs and multi-port gateways.
• Voip21 - Business VoIP provider: Voip21 is a provider of VoIP calling, IP PBX's, VoIP Installers and Voice over IP Management. Number porting, 1300 numbers, 1800 numbers, etc. are available. Multi-site deployments are our specialty.
• VoIPWA Perth based VoIP telephony provider specializing in Business VoIP services.
• http://www.voipaustralia.net/ Untimed Australian Land Line calls. Great mobile and international rates. Free calls to other users. High quality VoIP termination. No Monthly Access Fee. List of Providers.
• VoIP Line Telecom Voice over IP Hosted PBX Solutions for your business. Feature rich. Cost effective. Easy to deploy.
• Voiprofessional: Hosted IP PBX System. DID's for Australia, Europe and International. Number porting possible. 'Free call' numbers, and 'local rate' numbers. Pre-pay and post-pay plans, plus VoIP hardware at our store. Advanced features such as Fax to email, Voicemail to email, IVR's, & Reception functions. 2-50 Users.
• VoNEX Business VOIP provider: VoNEX is a hosted VOIP PBX provider in Australia. VoNEX sets itself apart from the competition with features like simultaneous ring to take calls anywhere on any phone, an auto-attendant to direct calls instead of a secretary, number porting so can keep the same phone number for life and best of all VoNEX works like a regular phone.
• One Contact - VoIP PBX specialists: One Contact is a IT and telecommunications company in Perth, Western Australia. Specialising in large-scale VoIP PBX solutions and managed servers, One Contact can help unify all of your businesses communication needs.
• WorldDialPoint:Australian based VOIP supplying Residential Grade and Business Grade VoIP Services using the Highest Termination available in Australia connecting directly with the major telcos in Australia and direct links to USA, UK and New Zealand. We also supply numbers accross all Australia with Unlimited Incoming and Outgoing Channels. All our products are T38 compatible