Company lists · Data refreshed October 2026

Top 25 Enterprise voice solutions companies worldwide

Name: Enterprise voice solutions companies worldwide
Creator: RevenueBase
License: https://creativecommons.org/licenses/by/4.0/

Compiled by the RevenueBase Data Team Data refreshed Oct 1, 2026 7,668 companies tracked

RevenueBase identified 7,668 company matches for enterprise voice solutions companies worldwide as of October 2026 and tracks 133,069 professional contacts across them, including 33,954 with verified work emails. The United States is the largest market and London the largest hub.

This list covers company matches for enterprise voice solutions 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 October 1, 2026. Country and city lists for enterprise voice solutions 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.

How to read this list RevenueBase SmartSearch · Exact Recorded Oct 1, 2026 How this list was built

7,668Companies

133,069Contacts tracked

33,954Verified emails

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The 25 largest enterprise voice solutions companies worldwide

Ranked by team size

Top 25 of 7,668 company matches for enterprise voice solutions companies worldwide, ordered by professional contacts tracked in RevenueBase, largest first. Recorded Oct 1, 2026. The RevenueBase SmartSearch column shows Exact match membership in this saved search. Click a contact count to view that company's people. Totals use company locations recorded by RevenueBase; the displayed preview is a smaller selection.
#	Company	RevenueBase SmartSearch	Headquarters	Employees	Contacts
1	AVAYA	Exact match	Morristown, NJ, United StatesHQ recorded Oct 1, 2026	5,001-10,000	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 · Oct 1, 2026 · View company records in RevenueBase
2	Ringcentral	Exact match	Belmont, CA, United StatesHQ recorded Oct 1, 2026	5,001-10,000	6,431 contacts →
	Exact match “RingCentral, Inc.(NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
3	Vonage	Exact match	Holmdel, NJ, United StatesHQ recorded Oct 1, 2026	1,001-5,000	3,429 contacts →
	Exact match “We’re making communications more flexible, intelligent, and personal, to help enterprises the world over stay ahead.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
4	Ribbon Communications	Exact match	Plano, TX, United StatesHQ recorded Oct 1, 2026	1,001-5,000	2,387 contacts →
	Exact match “Ribbon Communications (Nasdaq: RBBN) is a global provider of voice communications software, IP routing, and optical networking to mobile and wireline service providers…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
5	GOTO	Exact match	Boston, MA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	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 · Oct 1, 2026 · View company records in RevenueBase
6	Unifique	Exact match	Timbó, BrazilHQ recorded Oct 1, 2026	1,001-5,000	1,807 contacts →
	Exact match “Somos uma empresa de telecomunicações com 28 anos de atuação.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
7	Polycom	Exact match	San Jose, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,787 contacts →
	Exact match “Plantronics and Polycom are now Poly.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
8	GAMMA	Exact match	London, United KingdomHQ recorded Oct 1, 2026	1,001-5,000	1,568 contacts →
	Exact match “Gamma Communications is a leading provider of technology-based communication solutions across Europe.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
9	Tulip Telecom	Exact match	New Delhi, IndiaHQ recorded Oct 1, 2026	1,001-5,000	1,481 contacts →
	Exact match “Tulip Telecom Ltd.(BSE: 532691/NSE: TULIP) is India’s leading Enterprise Communications Service provider.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
10	Audiocodes	Exact match	Or Yehuda, IsraelHQ recorded Oct 1, 2026	1,001-5,000	1,397 contacts →
	Exact match “AudioCodes Ltd.(NASDAQ, TASE: AUDC) is a global leader in enterprise voice technology and voice AI innovation.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
11	Intermedia Intelligent Communications	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 1, 2026	1,001-5,000	1,254 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 1, 2026 · View company records in RevenueBase
12	Integra	Exact match	Vancouver, WA, United StatesHQ recorded Oct 1, 2026	501-1,000	1,133 contacts →
	Exact match “Integra is Allstream.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
13	Yealink	Exact match	Xiamen, ChinaHQ recorded Oct 1, 2026	1,001-5,000	773 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 1, 2026 · View company records in RevenueBase
14	Shoretel	Exact match	Kanata, CanadaHQ recorded Oct 1, 2026	1,001-5,000	691 contacts →
	Exact match “ShoreTel is now part of Mitel.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
15	Exponential-E	Exact match	London, United KingdomHQ recorded Oct 1, 2026	501-1,000	667 contacts →
	Exact match “Innovation is at the core of Exponential-e, and has been since our inception in 2002.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
16	VIS Networks	Exact match	Bangalore, IndiaHQ recorded Oct 1, 2026	201-500	666 contacts →
	Exact match “We @ VIS Networks (Voice Infrastructure Services) believe in the future of technology services.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
17	Onecom	Exact match	Fareham, United KingdomHQ recorded Oct 1, 2026	501-1,000	655 contacts →
	Exact match “Onecom is the UK’s leading business telecoms and cloud communications provider managing over a million services for business customers - delivering communication services and…” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
18	Ooma, INC	Exact match	Sunnyvale, CA, United StatesHQ recorded Oct 1, 2026	501-1,000	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 · Oct 1, 2026 · View company records in RevenueBase
19	Deepija Telecom PVT LTD	Exact match	Hyderabad, IndiaHQ recorded Oct 1, 2026	201-500	527 contacts →
	Exact match “Telecom Applications are one of the fastest-changing technologies of today.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
20	C3ntro Telecom	Exact match	Miguel Hidalgo, MexicoHQ recorded Oct 1, 2026	501-1,000	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 · Oct 1, 2026 · View company records in RevenueBase
21	Sangoma	Exact match	Markham, ON, CanadaHQ recorded Oct 1, 2026	201-500	454 contacts →
	Exact match “Sangoma Technologies Corporation (TSX: STC; Nasdaq: SANG) is a global leader in essential business communications.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
22	Spectrumvoip	Exact match	Plano, TX, United StatesHQ recorded Oct 1, 2026	201-500	435 contacts →
	Exact match “Family owned and proudly based in Plano, Texas, SpectrumVoIP has kept businesses talking and thriving since 2007.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
23	Fusion Connect	Exact match	Atlanta, GA, United StatesHQ recorded Oct 1, 2026	201-500	425 contacts →
	Exact match “Fusion Connect, an industry leading cloud communications provider, removes complexity so customers can focus on running their business.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
24	Stelogy	Exact match	Paris, FranceHQ recorded Oct 1, 2026	501-1,000	403 contacts →
	Exact match “VoIP/ToIP services Operator and Integrator Telephony solutions for small and medium-sized enterprises.” Recorded in the RevenueBase company graph · Oct 1, 2026 · View company records in RevenueBase
25	phone.com	Exact match	New York, NY, United StatesHQ recorded Oct 1, 2026	201-500	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 · Oct 1, 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 “enterprise voice solutions 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 7,668 enterprise voice solutions companies worldwide

See the full list, filter by size, metro and specialty, and access 33,954 tracked professional contacts with verified work emails. Direct dials are available where recorded.

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Enterprise voice solutions companies worldwide at a glance

As of Oct 1, 2026

25.5%Verified-email coverage

17.4Average contacts per company

11-50Median size (employees)

2.1%Largest-city concentration · London

Oct 1, 2026Page data refreshed

Companies by employee count

1-10

3,407

11-50

3,124

51-200

827

201-500

173

501-1,000

1,001-5,000

5,001-10,000

10001+

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 enterprise voice solutions companies are linked below.
What qualifies: Company records worldwide whose business descriptions match “enterprise voice solutions 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 33,954 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 1, 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.

Enterprise voice solutions companies by location

43 lists · largest first

Every Enterprise voice solutions companies list RevenueBase publishes, by country and city. Counts are matching companies in each list as of its own refresh date.

Countries

Cities

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 “enterprise voice solutions companies”; each Exact match badge shows search membership, not an individual similarity or quality score.

How many enterprise voice solutions companies are there worldwide?

RevenueBase identified 7,668 company matches for enterprise voice solutions companies 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 enterprise voice solutions companies?

The United States leads with 2,002 companies, followed by the United Kingdom (720) and Brazil (405). Every enterprise voice solutions companies list by country and city is linked on this page.

Which city has the most enterprise voice solutions companies?

London leads with 159 company records, followed by Sao Paulo (112) and New York (68).

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 33,954 professional contacts with verified work emails tracked across these 7,668 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 1, 2026.

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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.