Company lists · Data refreshed October 2026
Top 25 Communications server software suppliers worldwide
RevenueBase identified 488 company matches for communications server software suppliers worldwide as of October 2026 and tracks 29,698 professional contacts across them, including 6,466 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for communications server software suppliers 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 October 19, 2026. Country and city lists for communications server software suppliers 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 communications server software suppliers worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 11,012 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 2 | 3,629 contacts → | ||||
Exact match “Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 3 | 1,894 contacts → | ||||
Exact match “Plantronics and Polycom are now Poly.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 4 | 1,369 contacts → | ||||
Exact match “Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 5 | 796 contacts → | ||||
Exact match “Yealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications and collaboration solutions with best-in-class quality, innovative…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 6 | 636 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 7 | 333 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 8 | 321 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 9 | 299 contacts → | ||||
Exact match “Symbio is a software company changing the way the world communicates.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 10 | 270 contacts → | ||||
Exact match “A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 11 | 246 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 12 | 209 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 13 | 207 contacts → | ||||
Exact match “At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 14 | 199 contacts → | ||||
Exact match “Voximplant versatile cloud platform enables business to bring interaction to a different level.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 15 | 186 contacts → | ||||
Exact match “Tadiran Telecom is an established global provider of Unified Communications & Collaboration (UC & C), Contact Center, and Control Room solutions, serving businesses of all sizes…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 16 | 186 contacts → | ||||
Exact match “Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 17 | 177 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 18 | 155 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 · Oct 19, 2026 · View company records in RevenueBase | |||||
| 19 | 143 contacts → | ||||
Exact match “Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 20 | 129 contacts → | ||||
Exact match “Dstny is a premier European provider of cloud-based business communications solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 21 | 117 contacts → | ||||
Exact match “In today’s fast-paced world, service providers must stay ahead of the innovation curve to meet the evolving needs of their customers.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 22 | 103 contacts → | ||||
Exact match “Founded in 2006 in Sarasota, Florida, Star2Star Communications delivers the World's Leading Hybrid Cloud Communications Solution.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 23 | 101 contacts → | ||||
Exact match “innovaphone has been playing a decisive role in driving the development of IP telephony and digital transformation for more than 25 years now and is a leading European provider of…” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 24 | 99 contacts → | ||||
Exact match “Kurmi Software is a global provider of unified communications and collaboration management solutions.” Recorded in the RevenueBase company graph · Oct 19, 2026 · View company records in RevenueBase | |||||
| 25 | 93 contacts → | ||||
Exact match “Al Zubair Group helps customers with latest technology.” Recorded in the RevenueBase company graph · Oct 19, 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 “communications server software suppliers”. 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 488 communications server software suppliers worldwide
See the full list, filter by size, metro and specialty, and access 6,466 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Communications server software suppliers worldwide at a glance
As of Oct 19, 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 communications server software suppliers are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “communications server software suppliers” 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 6,466 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 October 19, 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.
Communications server software suppliers by location
3 lists · largest firstEvery Communications server software suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
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 “communications server software suppliers”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many communications server software suppliers are there worldwide?
RevenueBase identified 488 company matches for communications server software suppliers worldwide as of October 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 communications server software suppliers?
The United States leads with 128 companies, followed by India (27) and the United Kingdom (25). Every communications server software suppliers list by country and city is linked on this page.
Which city has the most communications server software suppliers?
London leads with 9 company records, followed by Singapore (6) and Dallas (4).
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 6,466 professional contacts with verified work emails tracked across these 488 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 October 19, 2026.
Ready to reach these companies? Verified emails and direct dials for all 488 communications server software suppliers 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 communications server software suppliers worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 488 matching company records for communications server software suppliers worldwide, with 29,698 tracked contacts and 6,466 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: October 19, 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 communications server software suppliers 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 | HQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 11,012 contacts → |
“At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Kanata, ON, CanadaReported employees: 1,001-5,000 | Kanata, ON, Canada | 1,001-5,000 | Exact match | 3,629 contacts → |
“Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 1,894 contacts → |
“Plantronics and Polycom are now Poly.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Sunnyvale, CA, United StatesReported employees: 1,001-5,000 | Sunnyvale, CA, United States | 1,001-5,000 | Exact match | 1,369 contacts → |
“Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Yealinkyealink.com HQ: Xiamen, ChinaReported employees: 1,001-5,000 | Xiamen, China | 1,001-5,000 | Exact match | 796 contacts → |
“Yealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications and collaboration solutions with best-in-class quality, innovative…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 636 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Tallinn, EstoniaReported employees: 201-500 | Tallinn, Estonia | 201-500 | Exact match | 333 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 321 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 299 contacts → |
“Symbio is a software company changing the way the world communicates.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Parsippany, NJ, United StatesReported employees: 201-500 | Parsippany, NJ, United States | 201-500 | Exact match | 270 contacts → |
“A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 246 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 209 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 207 contacts → |
“At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 199 contacts → |
“Voximplant versatile cloud platform enables business to bring interaction to a different level.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Petach Tikva, IsraelReported employees: 201-500 | Petach Tikva, Israel | 201-500 | Exact match | 186 contacts → |
“Tadiran Telecom is an established global provider of Unified Communications & Collaboration (UC & C), Contact Center, and Control Room solutions, serving businesses of all sizes…” Recorded description excerpt · October 19, 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 | 186 contacts → |
“Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 177 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Nicosia, CyprusReported employees: 51-200 | Nicosia, Cyprus | 51-200 | Exact match | 155 contacts → |
“3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Clichy, FranceReported employees: 501-1,000 | Clichy, France | 501-1,000 | Exact match | 143 contacts → |
“Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Zaventem, BelgiumReported employees: 201-500 | Zaventem, Belgium | 201-500 | Exact match | 129 contacts → |
“Dstny is a premier European provider of cloud-based business communications solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Richmond, AustraliaReported employees: 51-200 | Richmond, Australia | 51-200 | Exact match | 117 contacts → |
“In today’s fast-paced world, service providers must stay ahead of the innovation curve to meet the evolving needs of their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 103 contacts → |
“Founded in 2006 in Sarasota, Florida, Star2Star Communications delivers the World's Leading Hybrid Cloud Communications Solution.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Sindelfingen, GermanyReported employees: 51-200 | Sindelfingen, Germany | 51-200 | Exact match | 101 contacts → |
“innovaphone has been playing a decisive role in driving the development of IP telephony and digital transformation for more than 25 years now and is a leading European provider of…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Boulogne-billancourt, FranceReported employees: 51-200 | Boulogne-billancourt, France | 51-200 | Exact match | 99 contacts → |
“Kurmi Software is a global provider of unified communications and collaboration management solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Sharjah, United Arab EmiratesReported employees: 51-200 | Sharjah, United Arab Emirates | 51-200 | Exact match | 93 contacts → |
“Al Zubair Group helps customers with latest technology.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 488 company matches
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Communications server software suppliers: dataset insights
October 19, 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
487 records in the displayed employee bands.
1 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 488 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: October 19, 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 ↗
Communications server software suppliers by location
3 lists · largest firstEvery Communications server software suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for communications server software suppliers?
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 communications server software suppliers did RevenueBase find worldwide?
The saved snapshot records 488 matching company records, 29,698 tracked contacts and 6,466 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: October 19, 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
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Cite this list
RevenueBase Data Team. Top 25 communications server software suppliers worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/communications-server-software-suppliers.
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 communications server software suppliers worldwide
RevenueBase records 488 matching company records for communications server software suppliers worldwide, with 29,698 tracked contacts and 6,466 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: October 19, 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 communications server software suppliers 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 | HQ: Morristown, NJ, United StatesReported employees: 5,001-10,000 | Morristown, NJ, United States | 5,001-10,000 | Exact match | 11,012 contacts → |
“At Avaya, we give our customers the freedom to take their business in the directions that benefit them most.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | HQ: Kanata, ON, CanadaReported employees: 1,001-5,000 | Kanata, ON, Canada | 1,001-5,000 | Exact match | 3,629 contacts → |
“Powering more than 2 billion connections every day, Mitel helps businesses connect, collaborate and take care of customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | HQ: San Jose, CA, United StatesReported employees: 1,001-5,000 | San Jose, CA, United States | 1,001-5,000 | Exact match | 1,894 contacts → |
“Plantronics and Polycom are now Poly.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | HQ: Sunnyvale, CA, United StatesReported employees: 1,001-5,000 | Sunnyvale, CA, United States | 1,001-5,000 | Exact match | 1,369 contacts → |
“Intermedia is the cloud communications company that helps over businesses connect better, from wherever, through our AI-powered platform that includes voice, video conferencing…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Yealinkyealink.com HQ: Xiamen, ChinaReported employees: 1,001-5,000 | Xiamen, China | 1,001-5,000 | Exact match | 796 contacts → |
“Yealink (Stock Code: 300628) is a global brand that specializes in video conferencing, voice communications and collaboration solutions with best-in-class quality, innovative…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | HQ: Sunnyvale, CA, United StatesReported employees: 501-1,000 | Sunnyvale, CA, United States | 501-1,000 | Exact match | 636 contacts → |
“Ooma delivers phone, messaging, video and advanced communications services that are easy to implement and provide great value.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | HQ: Tallinn, EstoniaReported employees: 201-500 | Tallinn, Estonia | 201-500 | Exact match | 333 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | HQ: Clichy, FranceReported employees: 201-500 | Clichy, France | 201-500 | Exact match | 321 contacts → |
“Keyyo développe de nouveaux usages de communication pour les entreprises, notamment avec la voix sur IP.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | HQ: Sydney, AustraliaReported employees: 201-500 | Sydney, Australia | 201-500 | Exact match | 299 contacts → |
“Symbio is a software company changing the way the world communicates.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | HQ: Parsippany, NJ, United StatesReported employees: 201-500 | Parsippany, NJ, United States | 201-500 | Exact match | 270 contacts → |
“A leading cloud-optimized solutions provider for real-time communications media, applications, and infrastructure.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | HQ: Gaithersburg, MD, United StatesReported employees: 1,001-5,000 | Gaithersburg, MD, United States | 1,001-5,000 | Exact match | 246 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | HQ: Paris, FranceReported employees: 51-200 | Paris, France | 51-200 | Exact match | 209 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | HQ: Seattle, WA, United StatesReported employees: 51-200 | Seattle, WA, United States | 51-200 | Exact match | 207 contacts → |
“At Hiya, we are revolutionizing the voice communication experience, making it more productive and secure.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | HQ: Palo Alto, CA, United StatesReported employees: 201-500 | Palo Alto, CA, United States | 201-500 | Exact match | 199 contacts → |
“Voximplant versatile cloud platform enables business to bring interaction to a different level.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | HQ: Petach Tikva, IsraelReported employees: 201-500 | Petach Tikva, Israel | 201-500 | Exact match | 186 contacts → |
“Tadiran Telecom is an established global provider of Unified Communications & Collaboration (UC & C), Contact Center, and Control Room solutions, serving businesses of all sizes…” Recorded description excerpt · October 19, 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 | 186 contacts → |
“Манго Телеком» – разработчик облачных решений для бизнес-коммуникаций.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | HQ: Tempe, AZ, United StatesReported employees: 201-500 | Tempe, AZ, United States | 201-500 | Exact match | 177 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 · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | HQ: Nicosia, CyprusReported employees: 51-200 | Nicosia, Cyprus | 51-200 | Exact match | 155 contacts → |
“3CX is the developer of an open standards communications solution which innovates business connectivity and collaboration, replacing proprietary PBXs.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | HQ: Clichy, FranceReported employees: 501-1,000 | Clichy, France | 501-1,000 | Exact match | 143 contacts → |
“Bienvenue dans le monde des communications d’entreprises nouvelles générations : connectées, intelligentes, flexibles et sécurisées.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | HQ: Zaventem, BelgiumReported employees: 201-500 | Zaventem, Belgium | 201-500 | Exact match | 129 contacts → |
“Dstny is a premier European provider of cloud-based business communications solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | HQ: Richmond, AustraliaReported employees: 51-200 | Richmond, Australia | 51-200 | Exact match | 117 contacts → |
“In today’s fast-paced world, service providers must stay ahead of the innovation curve to meet the evolving needs of their customers.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 22 | HQ: Sarasota, FL, United StatesReported employees: 201-500 | Sarasota, FL, United States | 201-500 | Exact match | 103 contacts → |
“Founded in 2006 in Sarasota, Florida, Star2Star Communications delivers the World's Leading Hybrid Cloud Communications Solution.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | HQ: Sindelfingen, GermanyReported employees: 51-200 | Sindelfingen, Germany | 51-200 | Exact match | 101 contacts → |
“innovaphone has been playing a decisive role in driving the development of IP telephony and digital transformation for more than 25 years now and is a leading European provider of…” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | HQ: Boulogne-billancourt, FranceReported employees: 51-200 | Boulogne-billancourt, France | 51-200 | Exact match | 99 contacts → |
“Kurmi Software is a global provider of unified communications and collaboration management solutions.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | HQ: Sharjah, United Arab EmiratesReported employees: 51-200 | Sharjah, United Arab Emirates | 51-200 | Exact match | 93 contacts → |
“Al Zubair Group helps customers with latest technology.” Recorded description excerpt · October 19, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 488 company matches
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Communications server software suppliers: dataset insights
October 19, 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
487 records in the displayed employee bands.
1 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 488 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: October 19, 2026.
Publisher-reported method study
The published RevenueBase SmartSearch benchmark
86% good or better at Exact
RevenueBase's August 25, 2026 study assessed 4,198 description/company pairs across matching settings. It reports 86% of Exact matches judged good or better, and 77% for a 240-pair sample of one- or two-word categories. This evaluates the method across study queries rather than auditing this individual list.
Read the study and full methodology ↗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 ↗
Communications server software suppliers by location
3 lists · largest firstEvery Communications server software suppliers list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.
Countries
Questions about this company list
What does Exact match mean for communications server software suppliers?
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 communications server software suppliers did RevenueBase find worldwide?
The saved snapshot records 488 matching company records, 29,698 tracked contacts and 6,466 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: October 19, 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.
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Cite this list
RevenueBase Data Team. Top 25 communications server software suppliers worldwide. Snapshot: October 19, 2026. https://revenuebase.ai/companies/browse/communications-server-software-suppliers.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗