IP-PBX Devices & Manufacturers

Fusion offers one of the most extensive lists of interoperable IP-PBXs and IADs in the industry.

The list below represents some of the many PBX manufacturers whose equipment has been deployed using our SIP Trunks.

Don’t see your manufacturer on our list? Let’s talk. We are confident in our ability to support your PBX and can even confirm interoperability - before you buy - through our SIP Trunk demo program.


3CX is the developer of 3CX Phone System – an open standard unified communications platform for Windows that works with standard SIP phones and replaces a proprietary PBX. 3CX is more manageable and can deliver substantial cost savings besides increasing productivity. Leading companies worldwide such as Caterham F1 Team, Boeing, Ohio State University, MIT and RE/MAX use 3CX Phone System. 3CX has been listed as a CRN 2011 and 2012 Emerging Vendor and has earned Windows Server Certification as well as other numerous awards, including The Windowsnetworking.com Gold Award, the Windows IT Pro magazine 2008 Editor’s Best Award and a Best Buy Award by Computer Shopper Magazine. 3CX has offices in the UK, USA, Germany, Cyprus, Malta, Australia, South Africa and Hong Kong. For more information, visit: https://www.3cx.com/.

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ADTRAN, Inc. is a leading global provider of networking and communications equipment, with a portfolio of more than 1,700 solutions for use in the last mile of today's telecommunications networks. Widely deployed by carriers and enterprises alike, ADTRAN solutions enable voice, data, video, and Internet communications across a variety of network infrastructures. ADTRAN solutions are currently in use by every major U.S. service provider and many global ones, as well as by thousands of public, private and governmental organizations worldwide. For more information, please visit www.adtran.com.

Alcatel-Lucent Enterprise

Alcatel-Lucent Enterprise, serving more than 830,000 customers worldwide under the Alcatel-Lucent Enterprise brand. Alongside our partners, make everything connect by tailoring solutions to your organization - helping your business compete in a digital world. ntegrating systems, deploying analytics, and leveraging mobility, ALE openly collaborates with our partners and customers to generate long-term value for all. www.al-enterprise.com.

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Allworx, a wholly owned subsidiary of PAETEC Holding Corp., develops award winning phone and network systems for businesses and distributes them through a network of Authorized Partners. The product line includes the Allworx 6x and 24x systems, Px 6/2 Port Expander, 9224 phone, Tx 92/24 Expander, 9212, 9204, and 9202 phones along with a series of software options. By combining the advanced features of today's VoIP systems with the key system features all businesses have grown to rely on, Allworx systems are ideal replacements for the millions of aging (TDM) PBX and key phone systems in use today. Allworx' Consulting Division delivers elite software and digital hardware engineering services to both large and small companies who want to enhance and compliment their research and product development capabilities. For more information please visit www.allworx.com.

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The Amanda Company designs, develops and delivers call processing systems for small to medium-sized businesses that include voice mail, automated attendants, fax servers, IVR systems, unified messaging, desktop ACDs and VoIP IP-PBX systems. They have been in business since 1988. Amanda is a registered trademark of The Amanda Company. For more information, visit www.taa.com.

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AudioCodes Ltd. designs, manufactures and sells advanced Voice over IP and converged VoIP and Data networking products and applications to Service Providers and Enterprises. AudioCodes' products are deployed globally in IP, Mobile, Cable, and Broadband Access networks, as well as small, medium and large Enterprises. The company provides a diverse range of innovative, cost-effective products for converged VoIP and Data networks including Media Gateways, Multi-Service Business Gateways, Residential Gateways, IP Phones, Media Servers, Session Border Controllers (SBC), Security Gateways and Value Added Applications. For more information, visit www.audiocodes.com.

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Avaya delivers Intelligent Communications solutions that help companies transform their businesses to achieve marketplace advantage. More than one million businesses worldwide, including more than 90 percent of the FORTUNE 500®, use Avaya solutions for IP Telephony, Unified Communications, Contact Centers and Communications-Enabled Business Processes. Avaya Global Services provides comprehensive service and support for companies, small to large. For more information visit us at the Avaya DevConnect Marketplace.

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Cisco enables people to make powerful connections-whether in business, education, philanthropy, or creativity. Cisco hardware, software, and service offerings are used to create the Internet solutions that make networks possible-providing easy access to information anywhere, at any time. Cisco was founded in 1984 by a small group of computer scientists from Stanford University. Since the company's inception, Cisco engineers have been leaders in the development of Internet Protocol (IP)-based networking technologies. For more information, visit www.cisco.com.


Dialogic Corporation is a leading provider of world-class, innovative technologies based on open standards that enable innovative mobile, video, IP, and TDM solutions for Network Service Providers and Enterprise Communication Networks. Dialogic's customers and partners rely on its leading-edge, flexible components to rapidly deploy value-added solutions around the world. For more information, visit www.dialogic.com.

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Digium®, Inc., the Asterisk® Company, created, owns and is the innovative force behind Asterisk, the most widely used open source telephony software. Since its founding in 1999, Digium has become the open source alternative to proprietary communication providers, with offerings that cost as much as 80 percent less. Digium offers Asterisk software free to the open source community and offers Asterisk Business Edition and Switchvox IP PBX Software to power a broad family of products for small, medium and large businesses. The company's product line includes a wide range of hardware to enable resellers and customers to implement turnkey solutions or to design their own voice over IP (VoIP) systems. For more information, please visit www.digium.com.

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Edgewater Networks

Edgewater Networks develops networking and security products that ensure the secure and reliable delivery of IP based voice and video for service providers and enterprises. EdgeMarc Network Services Gateways provide a VoIP aware NAT/Firewall, with Active Line Testing, survivability and QoS. EdgeConnect PoE switches simplify administration and QoS, the EdgeView Reports Server provides visibility into VoIP network performance and the EdgeView VoIP Support System eases the setup, monitoring and management of VoIP endpoints. For more information, visit www.edgewaternetworks.com.


Epygi Technologies, Ltd., a worldwide provider of award-winning IP PBXs and Gateways supporting small businesses to enterprise's telephony needs, is a private US company founded in 2000 and has its headquarters in Plano, Texas. Reliable, secure, and easy to install and use, the Epygi products offer users outstanding benefits and an unparalleled range of features at very economic prices. Customers are able to improve their productivity, lower operating expenses, enhance their image and while affording the latest in telecommunications equipment. Visit us on our website, www.epygi.com.

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ESI (Estech Systems, Inc.) designs and manufactures business communications systems and components. ESI's systems offer advanced technological design and ease of use, yet are very cost-competitive. The product line includes ESI Communications Servers, which support both digital and IP technologies in any desired combination. ESI's business communications systems are sold through hundreds of factory-trained Certified Resellers. Founded in 1987, ESI is a privately held corporation with headquarters in Plano, Texas. For more information,visit www.esi-estech.com.


Founded in 2004 and headquartered in Los Angeles, Calif., Fonality is a leading developer and marketer of cloud-based business phone and unified communications solutions for small to medium sized businesses. Investors include Draper Fisher Jurvetson, Intel Capital, and Azure Capital Partners. For more information, visit: www.fonality.com.

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Fortinet is a worldwide provider of network security appliances and a market leader in unified threat management (UTM). Our products and subscription services provide broad, integrated and high-performance protection against dynamic security threats while simplifying the IT security infrastructure. Our customers include enterprises, service providers and government entities worldwide, including the majority of the 2009 Fortune Global 100. Fortinet's flagship FortiGate product delivers ASIC-accelerated performance and integrates multiple layers of security designed to help protect against application and network threats. Fortinet's broad product line goes beyond UTM to help secure the extended enterprise -- from endpoints, to the perimeter and the core, including databases and applications. Fortinet is headquartered in Sunnyvale, Calif., with offices around the world. For more information, visit www.fortinet.com.


FreePBX is an easy to use GUI (graphical user interface) that controls and manages Asterisk, the world's most popular open source telephony engine software. FreePBX has been developed and hardened by thousands of volunteers over tens of thousands man hours. FreePBX has been downloaded over 5,000,000 times and estimates over 500,000 active phone systems. FreePBX is for both developers and people searching for a Business Phone System. For more information, visit www.freepbx.com.

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FreeSWITCH is an open source telephony platform designed to facilitate the creation of voice, chat and other communications driven products scaling from a softswitch down to a softphone. It can be used as a simple switching engine, a media gateway or a media server to host IVR applications using many scripting languages to control the call flow. FreeSWITCH™ is an open source communications platform written in C from the ground up. Licensed under the MPL 1.1 and running natively on Windows, Mac OS X, Linux, *BSD, and other Unix flavours. For more information, visit www.freeswitch.org.

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Founded in 2002, Grandstream Networks is the leading manufacturer of IP voice/video telephony and video surveillance solutions. Grandstream serves the small-to-medium business and consumer markets with innovative products that lower communication costs, increase security protection, and enhance productivity. Our open standard SIP-based products offer broad interoperability in the industry, unrivaled features, flexibility, and price-performance competitiveness. For more information, visit www.grandstream.com.

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Ingate® Systems develops firewall technology and products that enable SIP Trunking for the enterprise while maintaining control and security at the network edge. The Ingate Firewall® solves the NAT/firewall traversal issue inherent in SIP communications in an integrated security appliance. In addition the company also produces the award-winning Ingate SIParator®, a device that connects to an existing network firewall to seamlessly enable SIP communications. For more information, visit www.ingate.com.


Interact Incorporated is an innovative software company dedicated to developing high performance communication solutions for enterprises and operators worldwide. From custom IVR applications for SIP and VoIP environments, to billing and rating solutions for operators worldwide, Interact is equipped to provide cutting-edge products and solutions to customers across the globe. With the ability to supply extremely short time-to-market solutions accommodating both entry-level and central office class models, Interact builds every solution on an open, distributed, and modular architecture which is deployable on a variety of hardware platforms. For more information, visit www.iivip.com.

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Intorrent Technologies specializes in Asterisk' based VoIP deployments for small and medium businesses. Intorrent's expertise is supported by a robust server set and targeted IP phone systems that optimize any SMB. Vertical market?based deployments provide targeted offerings for unique enterprises. In the flood of communications technology, businesses float on with Intorrent Technologies. For more information, visit www.intorrent.com.

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IVR Technologies

IVR Technologies, Inc. is a leading software development company providing a fully integrated application, media and billing server to next generation networks. As the first vendor to develop a commercially available SIP compliant IVR and billing server, we have shown, and continue to show, our leadership and vision in this market. For more information, visit www.ivr.com.


Iwatsu Voice Networks (IVN) is a leading provider of business communications solutions tsmall and medium sized businesses (SMB). The Iwatsu Enterprise-CS and Iwatsu Enterprise Suite products offer cost effective call processing, unified communications, speech recognition, call reporting, in-building wireless, 100% transparent networking and text-to-speech applications that are typically used by Fortune 1000 companies. IVN is a subsidiary company of Tokyo-based Iwatsu Electric, a 70-plus year industry leader and pioneer of many firsts in the telecommunications industry, doing business in North America through over 250 authorized distribution partners. For more information, visit www.iwatsu.com.


Established in 1991, Matrix ComSec, a technology driven and customer focused organization, is a leader in Telecom and Security solutions for modern businesses and enterprises. Matrix is committed to providing cutting-edge telecom and security solutions like IP-PBX, Universal Gateways, VoIP Gateways, GSM Gateways, Access Control and Time-Attendance Systems. Matrix, through an extensive network of more than 500 channel partners, has global foot-prints in North and South America, Europe, Asia, and Africa. Matrix has won several international awards over the years - a testament to its pursuit of designing and manufacturing excellence. To find out more about please visit the company website, www.MatrixComSec.com.


Founded in 1975, Microsoft is the worldwide leader in software, services and solutions that help people and businesses realize their full potential. For more information, visit www.microsoft.com.


Mitel Networks is a global provider of business communications solutions and services, consisting of unified communications and collaboration software applications, IP telephony platforms, mobility applications and managed and network services. Mitel enables businesses of all sizes to move beyond basic fixed telephony tools toward integrated multi-media collaboration solutions, accessible from anywhere, helping to improve performance, gain competitive advantage, and reduce costs. Mitel's global headquarters are in Ottawa, Canada, US headquarters are in Chandler, Arizona and EMEA headquarters are in Caldicot, UK, with offices, partners, and resellers worldwide. For more information, visit www.mitel.com.

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Headquartered in Irving, Texas, NEC Corporation of America is a leading provider of innovative IT, network and communications products and solutions for service carriers, Fortune 1000 and SMB Epic System businesses across multiple vertical industries, including Healthcare, Government, Education and Hospitality. NEC Corporation of America delivers one of the industry's broadest portfolios of technology solutions and professional services, including unified communications, wireless, voice and data, managed services, server and storage infrastructure, optical network systems, microwave radio communications and biometric security. NEC Corporation of America is a wholly-owned subsidiary of NEC Corporation, a global technology leader with operations in 30 countries and more than $42 billion in revenues. For more information, please visit www.necam.com.

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Obihai is a Silicon Valley-based, California corporation rooted in the following technologies: Voice over IP, consumer and business-grade electronics and communication systems, semiconductor and integrated circuit design, audio and video DSP algorithm design, high-yield + low-cost manufacturing, global telecommunications compliance and mass-scale network deployment. Obihai was founded by people with successful track records in consumer and business-grade voice and video communication solutions. Products and services comprising these solutions have touched many millions of people in homes and businesses all over the world. Obihai's leadership and workforce possess a wealth of experience from past duty at market leading voice and data technology, product, networking and solution purveyors. For more information, visit www.obihai.com.

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Panasonic Corporation of North America, based in Secaucus, NJ, is the principal North American subsidiary of Osaka, Japan-based Panasonic Corporation and the hub of its branding, marketing, sales, service, product development and R&D operations in the U.S. and Canada. For more information, visit www.panasonic.com.

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Patton Electronics is a leader in the production of network access and connectivity products including, Voice over IP (VoIP), G.SHDSL ipDSLAMs, broadband transmission, dial-up (V.90) and dedicated (xDSL) access servers, network termination units (NTUs), base-band and short-range modems, fiber-optic modems, interface converters and surge protectors. For more information, visit www.patton.com.

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pbxnsip makes SIP-based Private Branch Exchange (PBX) telephone systems. The pbxnsip IP PBX is used to put the components from different vendors together in communication environments. Customers benefit from a modern PBX feature set that includes mobility support, computer telephone integration, and vendor inexpediency. pbxnsip also respects the security requirements of a business critical application. Customers may run the PBX on Microsoft Windows, Mac, Linux-based servers, FreeBSD and on embedded appliances. pbxnsip Inc was incorporated in 2005 and is located in Andover, Massachusetts, USA and pbxnsip Europe Ltd was created in 2008 and is located in Leeds, United Kingdom. For more information, visit www.pbxnsip.com.


Samsung Business Communication Systems (BCS), a Dallas-based division of Samsung Telecommunications America (STA), is the distribution arm for the company's line of business communications solutions. Targeting small- to medium-sized businesses, Samsung BCS offers an elite line of telephony-based customer premise equipment (CPE) with dynamic architecture that can accommodate tremendous growth at low incremental costs to meet a variety of communications needs. For more information, visit www.samsung.com/us/business/telecommunication/index.html.


The award-winning Vega series from Sangoma offers a broad range of IP-to-TDM stand-alone gateway devices designed to bridge disparate technologies easily and cost-effectively. Sangoma’s Vega gateways provide the perfect answer for IP-based voice services and for connecting to service provider broadband networks or the PSTN. Sangoma’s Vega series gateways support ISDN BRI and PRI, FXS, FXO, and E1/T1 line codes and protocols for installations ranging from small businesses to large enterprises. Easily deployed as Service Provider CPE, the Vega series appliances feature auto-detection and simple configuration. The Vega series also includes models for multi-tenant applications using legacy telephone wiring and systems. For more information, visit www.sangoma.com.


ShoreTel, Inc. (NASDAQ: SHOR) is a leading provider of brilliantly simple business communications solutions. Costly complexity is eliminated by design from its award-winning, all-in-one premise and cloud-based unified communications offerings. Recognized for its industry-leading customer experience and support, ShoreTel enables users to communicate and collaborate no matter the time, place or device, for low cost and minimal demand on IT resources. ShoreTel is headquartered in Sunnyvale, Calif., and has regional offices and partners worldwide. For more information, visit www.shoretel.com.?

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snom technology AG was founded in Berlin in 1996, and is one of the pioneers of the Voice-over-IP sector (VoIP). snom develops and produces VoIP telephones for business communication which are based on the open standard SIP (Session Initiation Protocol). Quality, security, interoperability, design, attractive pricing and above all functionalities that are entirely tailored to modern business communication needs - these are the standards snom strives at all times to meet. snom maintains a presence in more than 40 countries around the world, with its own branches and through sales partners. For more information, visit www.snom.com.


STARFACE is the future-proof, multiple awarded telephone system for small and medium-sized businesses. STARFACE as a highly flexible and versatile platform of business communication introduces with its innovative module concept powerful enterprise functionality in the SMB sector. For this STARFACE unifies telephony and other services like e-mail, fax and data communication in one cohesive and user-friendly environment of Unified Communications. In addition, STARFACE provides seamless integration of these communication services into the company's IT-based business processes. All of today's well-established technologies and standards like analog POTS, ISDN and Voice-over-IP are supported. STARFACE is a product by STARFACE GmbH. For more information, visit www.starface.de/en/index.php.


Sutus develops the award winning Business Central, a phone, data and networking appliance designed specifically for small business. Starting from the notion that small businesses want and need the same advanced technologies as big businesses but without the complexity or price tag, we developed Sutus Business Central™ - a unique all-in-one office communications system providing advanced data and networking capabilities and a business-class phone system all seamlessly integrated with an easy to use management tool. For more information, visit www.sutussolutions.com.

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Synapse by AT&T

Synapse by AT&T optimizes telecommunications investments and enables seamless expansion at a low total cost of ownership. The Synapse business system supports up to 100 extensions, 55 lines, an intuitive web management interface, and PSTN, T1/PRI and SIP trunking. With its integrated cordless handsets and headsets that offer unsurpassed range and mobility in large work environments, Synapse by AT&T is an innovative IP telephony platform and leading-edge SMB solution. For more information visit smbtelephones.att.com/smb.

Tadiran Telecom

Tadiran Telecom® is an established global leader, innovator, and supplier of IP business telephony and telecommunications solutions. For over 40 years, Tadiran has been serving businesses of all sizes, including some of the world’s largest companies and organizations in various market segments across 41 countries worldwide. Featuring a comprehensive family of products including IP PBXs, Softswitches, Contact Centers, IP phones, as well as Mobility and Desktop solutions. For more information, visit www.tadirantele.com.


TalkSwitch® is the leading developer of owner-friendly™ phone systems for small and multi-location businesses. TalkSwitch has sold over 35,000 phone systems that small businesses rely on every day. With a growing global network of resellers, distributors and partners, TalkSwitch's fully hybrid phone systems are changing the way small businesses communicate. For more information, visit www.talkswitch.com.

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One of the first management tools for Asterisk, Thirdlane PBX simplifies customization and configuration of the Asterisk IP-PBX and is used by businesses and service providers worldwide. Thirdlane PBX's extensive feature set and high-performance design make it an ideal platform for service providers and facility managers that want to offer hosted IP-PBX services to multiple tenants. Because the system delivers easy access to the full power and functionality of Asterisk, system integrators and developers can use it to efficiently build and deploy end-to-end businesses processes that integrate voice. Founded in 2003, Third Lane Technologies, LLC is based in Fairfax, California. For more information please visit www.thirdlane.com.


TAIS is an independent operating company owned by Toshiba America, Inc., a subsidiary of Toshiba Corporation. Headquartered in Irvine, Calif., TAIS is comprised of four business units: Digital Products Division, Imaging Systems Division, Storage Device Division, and Telecommunication Systems Division. Toshiba is a world leader and innovator in pioneering high technology, a diversified manufacturer and marketer of advanced electronic and electrical products spanning information & communications systems; digital consumer products; electronic devices and components; power systems, including nuclear energy; industrial and social infrastructure systems; and home appliances. For more information, visit www.telecom.toshiba.com.


TransTel Communications is a privately held corporation headquartered in the Jupiter, Florida Park of Commerce. Incorporated in 1992, TransTel Communications designs, manufactures and distributes Digital Telephone Systems, Automated Attendant and Voice Processing Systems along with other related peripheral devices for the communications industry. For more information, visit www.transtelcommunications.com.

UM Labs

UM Labs is a pioneer and leader in Voice over IP and Unified Messaging security. The company markets a family of cost effective SIP Security Controllers which make connecting VoIP systems to the public internet easy and secure. For more information, visit www.um-labs.com.


Vertical Communications is one of the largest telephony vendors in North America and a global leader in next-generation IP-based voice and data and digital communications systems for business, with a current installed base of over 200,000 customers. Vertical combines voice and data technologies with business process understanding to deliver integrated IP-PBX and application solutions that enhance customer service and business productivity. Vertical delivers its solutions through a worldwide network of over 1800 business partners. With headquarters in Santa Clara CA, Vertical has sales, engineering and operations facilities in Charlottesville VA, Phoenix AZ, Munich Germany and Hyderabad India. For more information, visit www.vertical.com.


Voiceroute is a USA and Singapore based communications software company behind the world's leading Open Source Unified Communications project, Druid. Druid is the leading Open Source Unified IP Communications application that unifies plug and play IP telephony, Instant Messaging (IM), mobile phone, faxing and other communications media in an easy to deploy and intuitive platform. Key customers include Fortune 1000 enterprises as well as medium and small businesses particularly in the financial services, VOIP service provider, government, and higher education institutions. For more information, visit www.voiceroute.org.

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WIN Communications

WIN Communications Corporation offers the eNet660S all in one communications server and station sets for sale through its nationwide dealer network. The eNet660S is a SIP based system that has native support for IP Trunks. This feature rich system uses proprietary SIP phones to support all SIP features and other popular features beyond SIP. The eNet660S includes a built in router with LAN and WAN support, integrated auto attendant, integrated voicemail, and one the industry's only server with an integrated 802.11n wireless access point. As a SIP based server, the eNet660S will also support industry standard SIP phone with a reduced feature set. For more information, visit www.win-phone.com.

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WISE COMMUNICATION SOLUTIONS (WiseCom) is a leading Telecommunications Solutions Provider, headquartered in the greater Tel Aviv area: Israel's center of high-tech innovation and the country's economic hub. WiseCom offers IP-based communications solutions, specializing in upgrading traditional telephony systems and integrating them into an advanced technological platform. This includes selling, installing and providing full support for new and existing Telrad Connegy - PBX and VOIP solutions for organizations and businesses. For more information, visit wisecom.co.il.


Xorcom manufactures Asterisk®-based IP-PBX and USB-connected channel banks for commercial installations. It offers the widest and most flexible range of hardware platforms in the Asterisk market, including support FXS, FXO, PRI (E1 and T1), R2, T1 CAS and BRI ports in a variety of combinations. Utilizing its own XPP™ Technology, based on USB 2.0 connectivity, Xorcom designs enterprise-grade reliability into each of its products. A variety of utilities provides backup and restore, immediate temporary recovery, and a full redundancy solution for the entire PBX to optimize uptime and complement the functionality of Xorcom's full-featured business telephony solutions. For more information, please visit www.xorcom.com.

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Zultys Inc., the Smarter Communications company, is a global manufacturer of IP Business Phone Systems and Unified Communications Solutions headquartered in Silicon Valley, with offices in Australia, Asia, South America and Europe. The company sells through a channel of Value-Added Resellers and Distributors in 50 countries around the world. Our feature-rich VoIP Business Phone Systems and Unified Communications applications for Windows, Mac and Linux environments easily scale to support thousands of users at up to 128 different locations. Zultys delivers advanced features that help businesses increase productivity, improve customer service and grow profitability. All of this is done in an open SIP standard, energy efficient, single server, all-in-one design that eliminates the need for multiple servers making it simple to deploy, manage and use. For more information visit www.zultys.com.

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  • MX250 (updated 11/2013)
  • MX30 (updated 11/2013)