Company lists · Data refreshed September 2026
Top 25 Business phone system software companies worldwide
RevenueBase identified 1,694 company matches for business phone system software companies worldwide as of September 2026 and tracks 35,396 professional contacts across them, including 8,875 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for business phone system software companies worldwide, found by RevenueBase SmartSearch using the meaning of business descriptions in its company graph at Exact. Ranked by professionals tracked, largest first. Rows show recorded descriptions where available, Exact search membership and the snapshot date. Data refreshed September 27, 2026. Country and city lists for business phone system software companies follow the table.
Published by RevenueBase, a B2B data infrastructure company. This list was built with RevenueBase SmartSearch, the natural-language company search RevenueBase customers use to build their own targeted lists and unlock verified emails and direct dials at the companies on them. How these lists are built and judged.
The 25 largest business phone system software companies worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 10,510 contacts → | ||||
Exact match “At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 2 | 2,320 contacts → | ||||
Exact match “As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 3 | 606 contacts → | ||||
Exact match “Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 4 | 527 contacts → | ||||
Exact match “Incorporated in 1987 and headquartered in Cincinnati, Ohio, London Computer Systems (LCS) develops innovative business technologies used in all 50 states and several global…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 5 | 527 contacts → | ||||
Exact match “Telecom Applications are one of the fastest-changing technologies of today.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 6 | 507 contacts → | ||||
Exact match “Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 7 | 398 contacts → | ||||
Exact match “Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 8 | 334 contacts → | ||||
Exact match “The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 9 | 319 contacts → | ||||
Exact match “Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 10 | 252 contacts → | ||||
Exact match “BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 11 | 212 contacts → | ||||
Exact match “Communication is the backbone of every business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 12 | 206 contacts → | ||||
Exact match “At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 13 | 197 contacts → | ||||
Exact match “A major player for 20 years in the critical communications market, STREAMWIDE has successfully developed its Team on mission (mission critical) and Team on the run (business…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 14 | 179 contacts → | ||||
Exact match “EVEN MEDIA INTERACTIVE is a computer software company based out of 12 BOULEVARD D ATHENES, MARSEILLE, France.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 15 | 178 contacts → | ||||
Exact match “A unified communications company, helping customers work wonders, for their workplaces, their teams and their business.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 16 | 178 contacts → | ||||
Exact match “Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 17 | 175 contacts → | ||||
Exact match “Vertical Communications is a leading provider of communications platforms and applications that enable critical business workflows for enterprises across a variety of industries…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 18 | 168 contacts → | ||||
Exact match “VoCoVo is a globally recognised innovative retail team communication solutions provider, improving business efficiency and customer experience for some of the best-known tier 1…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 19 | 167 contacts → | ||||
Exact match “VoIP Office, founded in 2004, delivers cloud-based communications and hosted PBX solutions for businesses from home offices to enterprises, combining traditional PBX features with…” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 20 | 159 contacts → | ||||
Exact match “Zultys is a premier provider of omnichannel, Unified Communications, hosted business phone services and premise-based communications systems.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 21 | 154 contacts → | ||||
Exact match “3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 22 | 150 contacts → | ||||
Exact match “Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 23 | 139 contacts → | ||||
Exact match “AppitSimple Infotek Pvt Ltd - A Pioneer product-based IT company that has been revolutionizing & simplifying the way organizations do business since the last many years.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 24 | 133 contacts → | ||||
Exact match “Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
| 25 | 131 contacts → | ||||
Exact match “Dstny is a premier European provider of cloud-based business communications solutions.” Recorded in the RevenueBase company graph · Sep 27, 2026 · View company records in RevenueBase | |||||
RevenueBase SmartSearch
Describe a niche business in your own words. RevenueBase SmartSearch compares the meaning of your description with company business descriptions compiled in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit.
This list uses Exact for “business phone system software companies”. Each Exact match badge shows membership in that saved search; it is not an individual similarity score or a service-quality rating. Recorded descriptions are shown where available.
Showing 25 of 1,694 business phone system software companies worldwide
See the full list, filter by size, metro and specialty, and access 8,875 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Business phone system software companies worldwide at a glance
As of Sep 27, 2026Companies by employee count
Email recency is reported on each country list linked below.
How this list was built
The recorded descriptions help you assess these company matches. Check a company’s website for its current services and locations.
- Source
- The RevenueBase company graph: 60 million companies and 398.9 million professional contacts resolved from primary sources, queried with RevenueBase SmartSearch, the natural-language company search available to every RevenueBase user.
- Coverage
- Every country. Country and city lists for business phone system software companies are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “business phone system software companies” by meaning at the Exact setting. Descriptions are compiled in the RevenueBase company graph from public websites, profiles and company information where available; they are not guaranteed quotations from the company's website.
- RevenueBase SmartSearch
- Describe a niche company in your own words to find businesses by meaning. Exact, Similar, Related and Broad control the breadth of RevenueBase SmartSearch. This saved list uses Exact. Each row's Exact match badge shows inclusion in that search, not an individual score or a service-quality judgment.
- Public preview
- The public preview omits records without a verified work email. Dataset totals and geographic summaries describe the full matched records before these preview filters.
- Match quality
- RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. The publisher reports 86% good or better at Exact. This evaluates the method across queries; it does not audit this individual list. Recorded company descriptions, where available, help you judge each match yourself. Read the full methodology: how the lists are built and what the study measures.
- Ranking
- Team size, largest first: companies are ordered by the number of professionals RevenueBase tracks at each one. Employee ranges shown are reported bands, for context.
- Verification
- Every displayed company carries at least one verified work email. RevenueBase tracks 8,875 professional contacts with verified work emails across the full matched dataset. Contacts re-verify on a rolling cadence, and each contact's own verification date is shown inside RevenueBase.
- Refresh
- This page's figures were pulled from the company graph on September 27, 2026. Lists refresh periodically as the graph is re-checked.
- Record context
- Company records and descriptions can change. Check the company's website for its current services and locations.
Business phone system software companies by location
9 lists · largest firstEvery Business phone system software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Business phone system software companies based in the United States531
- Business phone system software companies based in the United Kingdom129
- Business phone system software companies based in Brazil88
- Business phone system software companies based in Canada72
- Business phone system software companies based in India64
- Business phone system software companies based in Germany50
- Business phone system software companies based in Australia46
- Business phone system software companies based in France39
- Business phone system software companies based in the Netherlands31
Frequently asked
What is RevenueBase SmartSearch?
RevenueBase SmartSearch finds niche companies by the meaning of their business descriptions in the RevenueBase company graph. Exact, Similar, Related and Broad control how closely companies must fit your description. This list uses Exact for “business phone system software companies”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many business phone system software companies are there worldwide?
RevenueBase identified 1,694 company matches for business phone system software companies worldwide as of September 2026, using the meaning of business descriptions at Exact. This is the recorded matched set in the RevenueBase company graph.
What is the largest company on this list?
AVAYA tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most business phone system software companies?
The United States leads with 531 companies, followed by the United Kingdom (129) and Brazil (88). Every business phone system software companies list by country and city is linked on this page.
Which city has the most business phone system software companies?
London leads with 34 company records, followed by Sao Paulo (21) and Miami (15).
How do I get contact information for these companies?
A free RevenueBase account lets you run this exact search and work limited free results with 500 credits to start. Upgrading provides access to the 8,875 professional contacts with verified work emails tracked across these 1,694 companies; direct dials are available where recorded.
How current is this list?
The list refreshes periodically as the company graph is re-checked. This page's figures were pulled on September 27, 2026.
Ready to reach these companies? Verified emails and direct dials for all 1,694 business phone system software companies worldwide. Start with a free account, no credit card.
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About this data
RevenueBase is a B2B data infrastructure company. Its company graph covers 60 million companies and 398.9 million professional contacts, with emails verified on a rolling cadence rather than scraped once and left to decay. These company lists are generated directly from that graph with RevenueBase SmartSearch, the same natural-language company search every RevenueBase user has: describe a market in plain words, get the companies that match, and add verified emails and direct dials for the people at them. It is the same data that powers RevenueBase's B2B data products, and a free account includes 500 credits to start. How these lists are built and judged.
More company lists
Company intelligence · public preview
Top 25 business phone system software companies worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 1,694 matching company records for business phone system software companies worldwide, with 35,396 tracked contacts and 8,875 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 business phone system software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 |  AVAYAtinyurl.comHQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 10,510 contacts → |
“At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  GOTOgoto.comHQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 2,320 contacts → |
“As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Ooma, INCooma.comHQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 606 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  London Computer Systemslcs.comHQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 527 contacts → |
“Incorporated in 1987 and headquartered in Cincinnati, Ohio, London Computer Systems (LCS) develops innovative business technologies used in all 50 states and several global…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Deepija Telecom PVT LTDdeepijatel.comHQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 527 contacts → |
“Telecom Applications are one of the fastest-changing technologies of today.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  C3ntro Telecomc3ntro.comHQ: Miguel Hidalgo, MexicoReported employees: 501-1,000 | Miguel Hidalgo, Mexico | 501-1,000 | Exact match | 507 contacts → |
“Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  phone.comphone.comHQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 398 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Wildixwildix.comHQ: Tallinn, EstoniaReported employees: 201-500 | Tallinn, Estonia | 201-500 | Exact match | 334 contacts → |
“The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  KEYYOkeyyo.comHQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 319 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Broadsoftbroadsoft.comHQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 252 contacts → |
“BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Vitel Globalvitelglobal.comHQ: South Plainfield, NJ, United StatesReported employees: 51-200 | South Plainfield, NJ, United States | 51-200 | Exact match | 212 contacts → |
“Communication is the backbone of every business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Hiya INChiya.comHQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 206 contacts → |
“At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  Streamwidestreamwide.comHQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 197 contacts → |
“A major player for 20 years in the critical communications market, STREAMWIDE has successfully developed its Team on mission (mission critical) and Team on the run (business…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Even Media Interactiveevenmedia.frHQ: Marseille, FranceReported employees: 201-500 | Marseille, France | 201-500 | Exact match | 179 contacts → |
“EVEN MEDIA INTERACTIVE is a computer software company based out of 12 BOULEVARD D ATHENES, MARSEILLE, France.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Enreachenreach.comHQ: Almere, NetherlandsReported employees: 1,001-5,000 | Almere, Netherlands | 1,001-5,000 | Exact match | 178 contacts → |
“A unified communications company, helping customers work wonders, for their workplaces, their teams and their business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mango Telecommango-office.ru HQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 178 contacts → |
“Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Vertical Communicationsvertical.comHQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 175 contacts → |
“Vertical Communications is a leading provider of communications platforms and applications that enable critical business workflows for enterprises across a variety of industries…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Vocovovocovo.comHQ: Shipton-under-wychwood, DenmarkReported employees: 51-200 | Shipton-under-wychwood, Denmark | 51-200 | Exact match | 168 contacts → |
“VoCoVo is a globally recognised innovative retail team communication solutions provider, improving business efficiency and customer experience for some of the best-known tier 1…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 |  Voip Officevoipoffice.comHQ: Bangalore, United StatesReported employees: 201-500 | Bangalore, United States | 201-500 | Exact match | 167 contacts → |
“VoIP Office, founded in 2004, delivers cloud-based communications and hosted PBX solutions for businesses from home offices to enterprises, combining traditional PBX features with…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Zultyszultys.comHQ: Sunnyvale, CA, United StatesReported employees: 51-200 | Sunnyvale, CA, United States | 51-200 | Exact match | 159 contacts → |
“Zultys is a premier provider of omnichannel, Unified Communications, hosted business phone services and premise-based communications systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  3cx3cx.comHQ: Nicosia, CyprusReported employees: 51-200 | Nicosia, Cyprus | 51-200 | Exact match | 154 contacts → |
“3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 |  Dstny FRdstny.frHQ: Clichy, FranceReported employees: 501-1,000 | Clichy, France | 501-1,000 | Exact match | 150 contacts → |
“Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Appitsimple Infotek Pvt. LTDappitsimple.com HQ: Sarkhej, IndiaReported employees: 51-200 | Sarkhej, India | 51-200 | Exact match | 139 contacts → |
“AppitSimple Infotek Pvt Ltd - A Pioneer product-based IT company that has been revolutionizing & simplifying the way organizations do business since the last many years.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Unimaxunimax.comHQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 133 contacts → |
“Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  Dstny BEdstny.beHQ: Zaventem, BelgiumReported employees: 201-500 | Zaventem, Belgium | 201-500 | Exact match | 131 contacts → |
“Dstny is a premier European provider of cloud-based business communications solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 1,694 company matches
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Business phone system software companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,689 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,694 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Business phone system software companies by location
9 lists · largest firstEvery Business phone system software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Business phone system software companies based in the United States531
- Business phone system software companies based in the United Kingdom129
- Business phone system software companies based in Brazil88
- Business phone system software companies based in Canada72
- Business phone system software companies based in India64
- Business phone system software companies based in Germany50
- Business phone system software companies based in Australia46
- Business phone system software companies based in France39
- Business phone system software companies based in the Netherlands31
Questions about this company list
What does Exact match mean for business phone system software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many business phone system software companies did RevenueBase find worldwide?
The saved snapshot records 1,694 matching company records, 35,396 tracked contacts and 8,875 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
Adapt this niche search and work with available contacts in RevenueBase.
Related lists
Browse the directory
Cite this list
RevenueBase Data Team. Top 25 business phone system software companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/business-phone-system-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗
More company lists
Company intelligence · public preview
Top 25 business phone system software companies worldwide
RevenueBase records 1,694 matching company records for business phone system software companies worldwide, with 35,396 tracked contacts and 8,875 verified work emails.
This public preview shows 25 selected records ordered by tracked contacts. RevenueBase SmartSearch finds company descriptions that match by meaning at Exact. Snapshot: September 27, 2026.
RevenueBase compiles business descriptions for niche-company discovery; each row shows a recorded excerpt where available. Adapt this search to find the companies and contacts you want.
Top 25 business phone system software companies worldwide
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
| # | Company | Headquarters on record | Reported employees | RevenueBase SmartSearch | Tracked contacts |
|---|---|---|---|---|---|
| 1 | AVAYAtinyurl.com HQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 10,510 contacts → |
“At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | GOTOgoto.com HQ: Boston, MA, United StatesReported employees: 1,001-5,000 | Boston, MA, United States | 1,001-5,000 | Exact match | 2,320 contacts → |
“As the leader in cloud communications and IT, GoTo addresses real-world challenges with practical innovations and a customer-first mindset.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Ooma, INCooma.com HQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 606 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | London Computer Systemslcs.com HQ: Cincinnati, OH, United StatesReported employees: 501-1,000 | Cincinnati, OH, United States | 501-1,000 | Exact match | 527 contacts → |
“Incorporated in 1987 and headquartered in Cincinnati, Ohio, London Computer Systems (LCS) develops innovative business technologies used in all 50 states and several global…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Deepija Telecom PVT LTDdeepijatel.com HQ: Hyderabad, IndiaReported employees: 201-500 | Hyderabad, India | 201-500 | Exact match | 527 contacts → |
“Telecom Applications are one of the fastest-changing technologies of today.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | C3ntro Telecomc3ntro.com HQ: Miguel Hidalgo, MexicoReported employees: 501-1,000 | Miguel Hidalgo, Mexico | 501-1,000 | Exact match | 507 contacts → |
“Somos C3NTRO, una empresa mexicana de clase mundial con 15 años de experiencia en Telecomunicaciones.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | phone.comphone.com HQ: New York, NY, United StatesReported employees: 201-500 | New York, NY, United States | 201-500 | Exact match | 398 contacts → |
“Founded in 2008 by veteran telecommunication entrepreneurs, Phone.com provides over businesses with comprehensive, flexible, and reliable cloud-based communication and…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Wildixwildix.com HQ: Tallinn, EstoniaReported employees: 201-500 | Tallinn, Estonia | 201-500 | Exact match | 334 contacts → |
“The First Sales-Oriented Unified Communications Solution, now powered by AI Wildix develops secure, AI-powered business communication solutions designed to support revenue growth…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | KEYYOkeyyo.com HQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 319 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Broadsoftbroadsoft.com HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 252 contacts → |
“BroadSoft, now part of Cisco, is the leading provider of software and services that enable mobile, fixed-line and cable service providers to offer Unified Communications over…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Vitel Globalvitelglobal.com HQ: South Plainfield, NJ, United StatesReported employees: 51-200 | South Plainfield, NJ, United States | 51-200 | Exact match | 212 contacts → |
“Communication is the backbone of every business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Hiya INChiya.com HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 206 contacts → |
“At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | Streamwidestreamwide.com HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 197 contacts → |
“A major player for 20 years in the critical communications market, STREAMWIDE has successfully developed its Team on mission (mission critical) and Team on the run (business…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Even Media Interactiveevenmedia.fr HQ: Marseille, FranceReported employees: 201-500 | Marseille, France | 201-500 | Exact match | 179 contacts → |
“EVEN MEDIA INTERACTIVE is a computer software company based out of 12 BOULEVARD D ATHENES, MARSEILLE, France.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Enreachenreach.com HQ: Almere, NetherlandsReported employees: 1,001-5,000 | Almere, Netherlands | 1,001-5,000 | Exact match | 178 contacts → |
“A unified communications company, helping customers work wonders, for their workplaces, their teams and their business.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Mango Telecommango-office.ru HQ: Moscow, RussiaReported employees: 201-500 | Moscow, Russia | 201-500 | Exact match | 178 contacts → |
“Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Vertical Communicationsvertical.com HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 175 contacts → |
“Vertical Communications is a leading provider of communications platforms and applications that enable critical business workflows for enterprises across a variety of industries…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Vocovovocovo.com HQ: Shipton-under-wychwood, DenmarkReported employees: 51-200 | Shipton-under-wychwood, Denmark | 51-200 | Exact match | 168 contacts → |
“VoCoVo is a globally recognised innovative retail team communication solutions provider, improving business efficiency and customer experience for some of the best-known tier 1…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Voip Officevoipoffice.com HQ: Bangalore, United StatesReported employees: 201-500 | Bangalore, United States | 201-500 | Exact match | 167 contacts → |
“VoIP Office, founded in 2004, delivers cloud-based communications and hosted PBX solutions for businesses from home offices to enterprises, combining traditional PBX features with…” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Zultyszultys.com HQ: Sunnyvale, CA, United StatesReported employees: 51-200 | Sunnyvale, CA, United States | 51-200 | Exact match | 159 contacts → |
“Zultys is a premier provider of omnichannel, Unified Communications, hosted business phone services and premise-based communications systems.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | 3cx3cx.com HQ: Nicosia, CyprusReported employees: 51-200 | Nicosia, Cyprus | 51-200 | Exact match | 154 contacts → |
“3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | Dstny FRdstny.fr HQ: Clichy, FranceReported employees: 501-1,000 | Clichy, France | 501-1,000 | Exact match | 150 contacts → |
“Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Appitsimple Infotek Pvt. LTDappitsimple.com HQ: Sarkhej, IndiaReported employees: 51-200 | Sarkhej, India | 51-200 | Exact match | 139 contacts → |
“AppitSimple Infotek Pvt Ltd - A Pioneer product-based IT company that has been revolutionizing & simplifying the way organizations do business since the last many years.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Unimaxunimax.com HQ: Minneapolis, MN, United StatesReported employees: 51-200 | Minneapolis, MN, United States | 51-200 | Exact match | 133 contacts → |
“Unimax believes that administering PBX and voice messaging systems can be far less complex and costly, while delivering better service levels.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | Dstny BEdstny.be HQ: Zaventem, BelgiumReported employees: 201-500 | Zaventem, Belgium | 201-500 | Exact match | 131 contacts → |
“Dstny is a premier European provider of cloud-based business communications solutions.” Recorded description excerpt · September 27, 2026Open company data in RevenueBase ↗Free signup required. | |||||
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Business phone system software companies: dataset insights
September 27, 2026These summaries describe recorded coverage in this saved dataset. This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Reported company sizes
1,689 records in the displayed employee bands.
5 matching records are outside the displayed bands or do not have a displayed size. Bars show shares of the displayed bands.
Email recency for this list is measured across the whole country list rather than for Worldwide, so it is reported there. Company counts and contact totals on this page are exact for Worldwide, over 1,694 companies.
How this company list was built
Describe a niche in your own words: companies installing commercial solar, or manufacturers of sustainable packaging. RevenueBase SmartSearch finds companies whose compiled business descriptions match by meaning. This list is one saved example to adapt.
Where the company descriptions come from
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
RevenueBase SmartSearch matching settings
- Exact
- Closest fits to the business described.
- Similar
- Similar businesses with a wider range of fits.
- Related
- Related businesses in and around the category.
- Broad
- A broader set of businesses connected to the description.
RevenueBase SmartSearch · Exact match identifies inclusion in this search's closest semantic matching setting. It is not a per-company confidence score, a literal keyword match, or a quality endorsement.
Selection, ordering and scope
The public list shows selected company records with contact and verified-email coverage. Reported employee bands provide separate company-size context.
This page is derived from saved source records; per-contact mobile coverage and email-recency results are not established by this snapshot.
Recorded company descriptions support research; check company websites for current services. The selected preview is ordered by tracked contacts and is not a list of the best service providers.
Snapshot: September 27, 2026.
RevenueBase is a B2B data infrastructure company. Its September 3, 2026 published methodology describes a graph of 60 million companies and 398.9 million professional contacts; these platform figures differ from this page's totals. Published methodology ↗
Business phone system software companies by location
9 lists · largest firstEvery Business phone system software companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
- Business phone system software companies based in the United States531
- Business phone system software companies based in the United Kingdom129
- Business phone system software companies based in Brazil88
- Business phone system software companies based in Canada72
- Business phone system software companies based in India64
- Business phone system software companies based in Germany50
- Business phone system software companies based in Australia46
- Business phone system software companies based in France39
- Business phone system software companies based in the Netherlands31
Questions about this company list
What does Exact match mean for business phone system software companies?
The separate RevenueBase SmartSearch column identifies inclusion at the closest semantic matching preset. It is not a literal keyword match, a per-company confidence score or a quality endorsement. Changing the search form opens a new search in RevenueBase; it does not reclassify these saved rows.
How many business phone system software companies did RevenueBase find worldwide?
The saved snapshot records 1,694 matching company records, 35,396 tracked contacts and 8,875 verified emails. The public preview displays 25 selected records.
Where do the company descriptions come from?
RevenueBase compiles company information from public sources, including company websites and public professional profiles such as LinkedIn, alongside information supplied by companies. The short recorded excerpt shown here is separate from the complete business description used for matching; individual source URLs and collection dates are not provided in this public snapshot.
How are the public companies ordered?
The selected public records are ordered by contacts tracked in RevenueBase, highest first. Contact coverage is a prospecting measure, not an assessment of the company's services or quality.
How can I get contact information?
Select a company's contact count to open its filtered contacts in RevenueBase. Free signup is required and includes 500 credits and limited free results. Verified emails, direct dials and mobile numbers depend on available coverage.
How current is this list?
Snapshot: September 27, 2026. Review each company's website for current services and locations. A recorded business description does not establish that every company offers every service named in the search.
What do headquarters and employee bands mean?
These are recorded company-level fields, rather than a map of every branch or a count of specialists. Missing headquarters or employee bands are labeled; older records may show a location separately from recorded headquarters.
Build your next target company list
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Cite this list
RevenueBase Data Team. Top 25 business phone system software companies worldwide. Snapshot: September 27, 2026. https://revenuebase.ai/companies/browse/business-phone-system-software-companies.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗