The IP Telephony industry is one that is continuously evolving, offering a platform for seamless and efficient communications. Companies within this sector provide comprehensive solutions aimed at enhancing productivity and communication efficiency across various businesses. With products ranging from IP phones and video conferencing systems, to cloud-based voice and chat services and other collaboration tools, these companies are revolutionizing the way businesses connect and collaborate. The future of this industry points towards AI-infused technologies and enhanced cloud-based services, making it a vibrant and continually emerging industry.


Top 22 IP Telephony Companies

1. 8x8

  • Website: 8x8.com
  • Headquarters: Campbell, California, United States
  • Founded: 2006
  • Headcount: 1001-5000
  • Latest funding type: Post Ipo Equity
  • LinkedIn

8x8.com is a company that offers a range of communication and collaboration solutions. Their products include cloud-based voice, video, chat, and contact center services, as well as team messaging and online meetings. With a focus on delivering reliable and scalable solutions, 8x8 helps businesses improve communication efficiency and enhance customer interactions.


2. Yealink

  • Website: yealink.com
  • Headquarters: Xiamen, Fujian, China
  • Founded: 2001
  • Headcount: 1001-5000
  • Latest funding type: Ipo
  • LinkedIn

Yealink is a company that specializes in providing professional unified communication solutions. They offer a wide range of products and services, including IP phones, video conferencing systems, and collaboration tools. With a focus on innovation and customer satisfaction, Yealink aims to help businesses improve their communication efficiency and productivity.


3. Mitel

  • Website: mitel.com
  • Headquarters: Kanata, Ontario, Canada
  • Founded: 1972
  • Headcount: 1001-5000
  • Latest funding type: Acquired
  • LinkedIn

Mitel is a global provider of integrated communications solutions for businesses. They offer a wide range of products and services including cloud-based communication systems, unified communications, voice and video conferencing, contact center solutions, and collaboration tools.


4. Grandstream Networks

Grandstream is a company that offers a range of unified communications and networking solutions. They provide products such as IP phones, routers, access points, and PBX systems. With a focus on serving SMBs, enterprises, hospitality, education, healthcare, and call centers, Grandstream's offerings include features like HD conferencing, remote management, and WiFi networking.


5. Vertical Communications

  • Website: vertical.com
  • Headquarters: Santa Clara, California, United States
  • Founded: 2004
  • Headcount: 201-500
  • Latest funding type: Post Ipo Debt
  • LinkedIn

Vertical.com offers offline activation business phone systems and voice applications. They specialize in license activation and provide IP-PBX telephony solutions based on VoIP.


6. Digium

  • Website: digium.com
  • Headquarters: Huntsville, Alabama, United States
  • Founded: 1999
  • Headcount: 51-200
  • Latest funding type: Acquired
  • LinkedIn

Digium is a company that offers innovative communication solutions for businesses. They provide a range of products and services including VoIP phone systems, IP telephony software, and unified communication solutions.


7. Telecall

  • Website: telecall.com
  • Headquarters: Rio De Janeiro, Florida, United States
  • Founded: 1998
  • Headcount: 51-200
  • LinkedIn

Telecall.com offers telecommunications solutions such as internet services, mobile calling, and virtual IP telephony. They provide services like long-distance national and international calls, internet connection solutions, and mobile communication services. Telecall also offers solutions for businesses, including wholesale services and outsourcing of hardware. Their reliable network infrastructure and dedicated customer support make them a leading telecommunications provider.


8. Directcall Telecom

DirectCall is a telecommunications company that offers a wide range of solutions including VoIP services, virtual phone numbers, call center solutions, and communication APIs. They provide cost-effective and reliable telephony solutions for businesses of all sizes.


9. VozTelecom

  • Website: voztele.com
  • Headquarters: Cerdanyola Del Vallés, Barcelona, Spain
  • Founded: 2003
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

VOZTELECOM is a telecommunications company offering cloud communication services to businesses. They provide a range of services, including virtual switchboards, IP telephony, and integration with CRM systems. With a team of highly skilled professionals, they offer personalized support and strive for customer satisfaction. Their solutions have been praised by clients for their technical expertise, human warmth, and efficient service.


10. Redvoiss

  • Website: redvoiss.net
  • Headquarters: Providencia, Región Metropolitana De Santiago, Chile
  • Founded: 2003
  • Headcount: 51-200
  • LinkedIn

Redvoiss is a telecommunications partner that offers remote communication services without the need for infrastructure investment. They provide virtual phone systems, secure user connections, and other applications. They are known for their high standards of quality and service.


11. Intercloud Limited

Intercloud provides state-of-the-art business telephony solutions, including hosted PBX, SIP trunking, and video conferencing services. They offer feature-rich communication systems that help enhance business operations and reduce costs.


12. Vitel Global

Vitel Global is a leading provider of VoIP solutions and remote communication tools. They offer telecom sales, email hosting services, and the best business phone system in the USA. Customers can enjoy unlimited calls to the US, Canada, India, and other countries. Their cloud-based system ensures reliable and secure business communication with features like HD voice quality, video calling, text messaging, and CRM integration.


13. Htek

  • Website: htek.com
  • Headquarters: Nanjing, Jiangsu, China
  • Founded: 2005
  • Headcount: 51-200
  • LinkedIn

Htek.com is a technology company that specializes in providing IP phones and accessories. With a wide range of products and solutions, they cater to various industries and business types. Their offerings include UC900U series IP phones, EoL products, support services, document and firmware resources, and easy rebranding services.


14. Inclarity Communications

Inclarity is a unified communication company that offers integrated communication services for businesses. They provide secure and efficient solutions to connect and collaborate with teams located globally. Inclarity's services include cloud telephony, call recording, call management, team collaboration, and unified communications.


15. TalkTalk Business

TalkTalk Business is a telecommunications company offering a range of connectivity products and solutions for businesses. They provide broadband, fibre, leased lines, networking, voice, and data solutions, helping businesses improve their communication and connectivity. With over 20 years of experience, TalkTalk Business aims to support businesses with the right technology at competitive prices.


16. PCS Professionelle Communications Systeme GmbH Telefonanlagen

PCS Professionelle Communications Systeme GmbH provides tailored communication solutions for businesses. With nearly three decades of product experience, trusted advice, and integration skills, PCS's competent employees analyze telecommunication systems, showcase options objectively and assist in selection and implementation.


17. Auerswald GmbH & Co. KG

  • Website: auerswald.de
  • Headquarters: Cremlingen, Deutschland, Germany
  • Founded: 1960
  • Headcount: 51-200
  • LinkedIn

Auerswald is a company that provides a range of communication solutions and systems for businesses. They offer products such as telephone systems, IP phones, and software applications to enhance communication and collaboration. With a focus on innovation and reliability, Auerswald aims to meet the evolving needs of businesses in the digital age.


18. Unifon AS

  • Website: unifon.no
  • Headquarters: Kristiansand, Agder, Norway
  • Founded: 2019
  • Headcount: 51-200
  • LinkedIn

Unifon Bedriftsnett is a company that offers communication solutions for businesses. They provide a range of services including phone systems, messaging, and collaboration tools. With their advanced technology and dedicated support team, they help businesses streamline their communication processes and improve productivity.


19. InnoMedia

  • Website: innomedia.com
  • Headquarters: Singapore Science Park Ii, California, Singapore
  • Founded: 1995
  • Headcount: 51-200
  • Latest funding type: Series Unknown
  • LinkedIn

InnoMedia is a company that offers business voice solutions and smart speakers. They provide services such as SIP trunking, enterprise session border controller, and hosted services. InnoMedia also specializes in cable solutions and element management system.


20. Cellvoz

  • Website: cellvoz.com
  • Headquarters: Bogotá, Bogotá, Colombia
  • Founded: 2003
  • Headcount: 51-200
  • LinkedIn

Cellvoz.com is a cloud-based telecommunications and marketing services company that helps businesses grow and achieve their sales, customer service, and remote work objectives. They offer services such as mobile corporate service, virtual phone numbers, mass SMS messaging, voice messages, automatic calls, and cloud-based PBX systems. With a focus on easy, fast, and cost-effective communication channels, Cellvoz.com is trusted by over 4,000 companies to reach thousands of customers and increase sales.


21. Irontec: Internet y Sistemas sobre GNU/Linux

Irontec is a software company based in Bilbao, specializing in open source solutions. They offer a range of services including development and business solutions, internet systems and infrastructure, communications and telephony, and specialized training. With a focus on software engineering and cybersecurity, they provide comprehensive solutions for businesses.


22. Smart IP

  • Website: smartip.ca
  • Headquarters: Brampton, Ontario, Canada
  • Founded: 1978
  • Headcount: 51-200
  • LinkedIn

Smart IP is a Canadian operation established in Toronto in 1989. They offer a comprehensive range of services over a diverse product portfolio, including service & installations, maintenance, training & support, and data installation and maintenance services. They also provide business phone systems and strategic innovation planning. With partnerships with leading companies like Avaya and Sangoma, they offer optimal performance and reliability in their communication solutions.


Want to find more ip telephony companies?


If you want to find more companies that offer comprehensive communication solutions you can do so with Inven. This list was built with Inven and there are hundreds of companies like these globally.


With Inven you'll also get to know the company's:


  • Ownership: Which of these are private equity backed? Which are family-owned?
  • Contact data: Who are the owners and CEO's? What are their emails and phone numbers?
  • Financials: How do these companies perform financially? What are their revenues and profit margins?

...and a lot more!