Company lists · Data refreshed November 2026
Top 25 Multi-line phone system vendors worldwide
RevenueBase identified 694 company matches for multi-line phone system vendors worldwide as of November 2026 and tracks 4,650 professional contacts across them, including 856 with verified work emails. The United States is the largest market and London the largest hub.
This list covers company matches for multi-line phone system vendors 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 November 6, 2026. Country and city lists for multi-line phone system vendors 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 multi-line phone system vendors worldwide
Ranked by team size| # | Company | Contacts | |||
|---|---|---|---|---|---|
| 1 | 286 contacts → | ||||
Exact match “A Handphone Telecomunicações é uma indústria, fabricante de equipamentos para Telecomunicações, tais como sistemas PABX de pequeno, médio e grande porte, sistemas Call Center's…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 2 | 100 contacts → | ||||
Exact match “Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 3 | 76 contacts → | ||||
Exact match “About Snom Technology GmbH Founded in 1997 and headquartered in Berlin Germany, Snom is a German multinational corporation and the world’s first and leading brand of professional…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 4 | 67 contacts → | ||||
Exact match “Itsalldata is first and foremost a business communications consulting firm.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 5 | 66 contacts → | ||||
Exact match “Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 6 | 46 contacts → | ||||
Exact match “Atcom specializes in business telephone systems for the Canadian marketplace.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 7 | 45 contacts → | ||||
Exact match “TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 8 | 38 contacts → | ||||
Exact match “Metrotel Networks specializes in business phone system,business communications solutions, mobile worker communications, managed IT services, VOIP, cloud voice, business…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 9 | 38 contacts → | ||||
Exact match “Produtos de última geração dos mais renomados fornecedores da área.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 10 | 32 contacts → | ||||
Exact match “Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 11 | 31 contacts → | ||||
Exact match “In business since 1980, our experience is in providing solution driven communication products.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 12 | 30 contacts → | ||||
Exact match “Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 13 | 30 contacts → | ||||
Exact match “liGo was founded in 2003 to bring the very best cordless phones to market and provide a high level of service.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 14 | 29 contacts → | ||||
Exact match “For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 15 | 28 contacts → | ||||
Exact match “Best4Systems is a professional, service orientated, telecommunications equipment fulfillment company.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 16 | 27 contacts → | ||||
Exact match “Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 17 | 26 contacts → | ||||
Exact match “TOTLCOM has been a dynamic telecommunications company for over 35 years.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 18 | 26 contacts → | ||||
Exact match “Cortelco offers an broad and expanding line of commercial IP and analog telephone products, as well as IP access control and paging solutions for a wide range of businesses and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 19 | 26 contacts → | ||||
Exact match “OPTO Group is an Ultimate Communication Solution Provider having its presence in over 36 countries.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 20 | 23 contacts → | ||||
Exact match “Mainstream Digital – Communications Solutions for Business Mainstream Digital is a Business Communications solutions provider with over 20 years of telecommunications experience.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 21 | 22 contacts → | ||||
Exact match Recorded description not available. Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 22 | 22 contacts → | ||||
Exact match “Losh Network Services is an Authorized AVAYA Business Partner that specializes in the installation, service, and maintenance of VoIP and digital office telephone systems and…” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 23 | 22 contacts → | ||||
Exact match “Business telecoms; telephone systems, lines & calls that sort of thing to the SMEs and education up to around 200 extensions.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 24 | 20 contacts → | ||||
Exact match “Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded in the RevenueBase company graph · Nov 6, 2026 · View company records in RevenueBase | |||||
| 25 | 20 contacts → | ||||
Exact match “Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded in the RevenueBase company graph · Nov 6, 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 “multi-line phone system vendors”. 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 694 multi-line phone system vendors worldwide
See the full list, filter by size, metro and specialty, and access 856 tracked professional contacts with verified work emails. Direct dials are available where recorded.
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Multi-line phone system vendors worldwide at a glance
As of Nov 6, 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 multi-line phone system vendors are linked below.
- What qualifies
- Company records worldwide whose business descriptions match “multi-line phone system vendors” 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 856 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 November 6, 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.
Multi-line phone system vendors by location
3 lists · largest firstEvery Multi-line phone system vendors 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 “multi-line phone system vendors”; each Exact match badge shows search membership, not an individual similarity or quality score.
How many multi-line phone system vendors are there worldwide?
RevenueBase identified 694 company matches for multi-line phone system vendors worldwide as of November 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?
Handphone Telecomunicações tops the displayed preview by professional contacts tracked in RevenueBase. Recorded headquarters appear in the company rows.
Which country has the most multi-line phone system vendors?
The United States leads with 300 companies, followed by the United Kingdom (90) and Canada (34). Every multi-line phone system vendors list by country and city is linked on this page.
Which city has the most multi-line phone system vendors?
London leads with 12 company records, followed by Calgary (5) and Houston (5).
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 856 professional contacts with verified work emails tracked across these 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 November 6, 2026.
Ready to reach these companies? Verified emails and direct dials for all 694 multi-line phone system vendors 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 multi-line phone system vendors worldwide
Find companies in any niche.
Describe the businesses you want in your own words. RevenueBase SmartSearch matches company descriptions by meaning.
RevenueBase records 694 matching company records for multi-line phone system vendors worldwide, with 4,650 tracked contacts and 856 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: November 6, 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 multi-line phone system vendors 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 |  Handphone Telecomunicaçõeshandphone.com.brHQ: Osasco, BrazilReported employees: 201-500 | Osasco, Brazil | 201-500 | Exact match | 286 contacts → |
“A Handphone Telecomunicações é uma indústria, fabricante de equipamentos para Telecomunicações, tais como sistemas PABX de pequeno, médio e grande porte, sistemas Call Center's…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 |  CMS Communicationscmsc.comHQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 100 contacts → |
“Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 |  Snom Technology Gmbhsnom.comHQ: Berlin, GermanyReported employees: 201-500 | Berlin, Germany | 201-500 | Exact match | 76 contacts → |
“About Snom Technology GmbH Founded in 1997 and headquartered in Berlin Germany, Snom is a German multinational corporation and the world’s first and leading brand of professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 |  Eastcomitsalldata.comHQ: Doylestown, PA, United StatesReported employees: Not recorded | Doylestown, PA, United States | Not recorded | Exact match | 67 contacts → |
“Itsalldata is first and foremost a business communications consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 |  Unified Global Solutions LLCunifiedglobalsolutions.netHQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 66 contacts → |
“Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 |  ATCOMatcomsystems.caHQ: Calgary, AB, CanadaReported employees: Not recorded | Calgary, AB, Canada | Not recorded | Exact match | 46 contacts → |
“Atcom specializes in business telephone systems for the Canadian marketplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 |  Telquest Internationaltelquestintl.comHQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 45 contacts → |
“TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 |  Metrotel Networksmetrotelnetworks.comHQ: Garden City, NY, United StatesReported employees: 11-50 | Garden City, NY, United States | 11-50 | Exact match | 38 contacts → |
“Metrotel Networks specializes in business phone system,business communications solutions, mobile worker communications, managed IT services, VOIP, cloud voice, business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 |  MRA Distribuidoramradistribuidora.com.brHQ: Ribeirão Preto, BrazilReported employees: 51-200 | Ribeirão Preto, Brazil | 51-200 | Exact match | 38 contacts → |
“Produtos de última geração dos mais renomados fornecedores da área.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 |  Emerald Telecomemeraldtelecom.co.ukHQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 |  Gibson Teldatabgibson.comHQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 31 contacts → |
“In business since 1980, our experience is in providing solution driven communication products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 |  Vested Networksvestednetworks.comHQ: Lewisville, TX, United StatesReported employees: 11-50 | Lewisville, TX, United States | 11-50 | Exact match | 30 contacts → |
“Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 |  LIGOligo.co.ukHQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 30 contacts → |
“liGo was founded in 2003 to bring the very best cordless phones to market and provide a high level of service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 |  Lineoneline.oneHQ: Lafayette, LA, United StatesReported employees: 11-50 | Lafayette, LA, United States | 11-50 | Exact match | 29 contacts → |
“For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 |  Best4systemsbest4systems.co.ukHQ: Worthing, United KingdomReported employees: 11-50 | Worthing, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Best4Systems is a professional, service orientated, telecommunications equipment fulfillment company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 |  Wavetel Business LTDwavetelbusiness.co.ukHQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 |  Totlcom INCtotlcom.comHQ: Watsonville, CA, United StatesReported employees: 11-50 | Watsonville, CA, United States | 11-50 | Exact match | 26 contacts → |
“TOTLCOM has been a dynamic telecommunications company for over 35 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 |  Cortelcocortelco.comHQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 26 contacts → |
“Cortelco offers an broad and expanding line of commercial IP and analog telephone products, as well as IP access control and paging solutions for a wide range of businesses and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Opto Groupglobal-uc.com HQ: IndiaReported employees: 501-1,000 | India | 501-1,000 | Exact match | 26 contacts → |
“OPTO Group is an Ultimate Communication Solution Provider having its presence in over 36 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 |  Mainstream Digitalmsdigital.comHQ: Cirencester, United KingdomReported employees: 11-50 | Cirencester, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Mainstream Digital – Communications Solutions for Business Mainstream Digital is a Business Communications solutions provider with over 20 years of telecommunications experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 |  Digitel Systems INCdigitel.caHQ: Delta, CanadaReported employees: 11-50 | Delta, Canada | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 |  Losh Network Serviceslosh.comHQ: Springfield, MO, United StatesReported employees: 11-50 | Springfield, MO, United States | 11-50 | Exact match | 22 contacts → |
“Losh Network Services is an Authorized AVAYA Business Partner that specializes in the installation, service, and maintenance of VoIP and digital office telephone systems and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 |  Extel Communications LTDextel.co.ukHQ: United KingdomReported employees: 11-50 | United Kingdom | 11-50 | Exact match | 22 contacts → |
“Business telecoms; telephone systems, lines & calls that sort of thing to the SMEs and education up to around 200 extensions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 |  Sirus Telecom Limitedsirus-telecom.co.ukHQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 |  General Communicationsgcctel.comHQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 20 contacts → |
“Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 694 company matches
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Multi-line phone system vendors: dataset insights
November 6, 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
686 records in the displayed employee bands.
8 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 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: November 6, 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 ↗
Multi-line phone system vendors by location
3 lists · largest firstEvery Multi-line phone system vendors 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 multi-line phone system vendors?
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 multi-line phone system vendors did RevenueBase find worldwide?
The saved snapshot records 694 matching company records, 4,650 tracked contacts and 856 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: November 6, 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 multi-line phone system vendors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/multi-line-phone-system-vendors.
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 multi-line phone system vendors worldwide
RevenueBase records 694 matching company records for multi-line phone system vendors worldwide, with 4,650 tracked contacts and 856 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: November 6, 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 multi-line phone system vendors 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 | Handphone Telecomunicaçõeshandphone.com.br HQ: Osasco, BrazilReported employees: 201-500 | Osasco, Brazil | 201-500 | Exact match | 286 contacts → |
“A Handphone Telecomunicações é uma indústria, fabricante de equipamentos para Telecomunicações, tais como sistemas PABX de pequeno, médio e grande porte, sistemas Call Center's…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 2 | CMS Communicationscmsc.com HQ: Chesterfield, MO, United StatesReported employees: 51-200 | Chesterfield, MO, United States | 51-200 | Exact match | 100 contacts → |
“Since its founding in 1985, CMS Communications has been a leader in providing Telecom equipment and services.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 3 | Snom Technology Gmbhsnom.com HQ: Berlin, GermanyReported employees: 201-500 | Berlin, Germany | 201-500 | Exact match | 76 contacts → |
“About Snom Technology GmbH Founded in 1997 and headquartered in Berlin Germany, Snom is a German multinational corporation and the world’s first and leading brand of professional…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 4 | Eastcomitsalldata.com HQ: Doylestown, PA, United StatesReported employees: Not recorded | Doylestown, PA, United States | Not recorded | Exact match | 67 contacts → |
“Itsalldata is first and foremost a business communications consulting firm.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 5 | Unified Global Solutions LLCunifiedglobalsolutions.net HQ: Dallas, TX, United StatesReported employees: 11-50 | Dallas, TX, United States | 11-50 | Exact match | 66 contacts → |
“Business Class Phone Systems & Service with support & functionality to exceed your communication needs.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 6 | ATCOMatcomsystems.ca HQ: Calgary, AB, CanadaReported employees: Not recorded | Calgary, AB, Canada | Not recorded | Exact match | 46 contacts → |
“Atcom specializes in business telephone systems for the Canadian marketplace.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 7 | Telquest Internationaltelquestintl.com HQ: Fairfield, NJ, United StatesReported employees: 51-200 | Fairfield, NJ, United States | 51-200 | Exact match | 45 contacts → |
“TelQuest International is dedicated to bringing the most competitive prices and the best customer service to all of our clients.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 8 | Metrotel Networksmetrotelnetworks.com HQ: Garden City, NY, United StatesReported employees: 11-50 | Garden City, NY, United States | 11-50 | Exact match | 38 contacts → |
“Metrotel Networks specializes in business phone system,business communications solutions, mobile worker communications, managed IT services, VOIP, cloud voice, business…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 9 | MRA Distribuidoramradistribuidora.com.br HQ: Ribeirão Preto, BrazilReported employees: 51-200 | Ribeirão Preto, Brazil | 51-200 | Exact match | 38 contacts → |
“Produtos de última geração dos mais renomados fornecedores da área.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 10 | Emerald Telecomemeraldtelecom.co.uk HQ: London, United KingdomReported employees: 11-50 | London, United Kingdom | 11-50 | Exact match | 32 contacts → |
“Emerald Cloud Phone System, offers both high-quality traditional telephone lines and cloud phone system packages.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 11 | Gibson Teldatabgibson.com HQ: Indianapolis, IN, United StatesReported employees: 11-50 | Indianapolis, IN, United States | 11-50 | Exact match | 31 contacts → |
“In business since 1980, our experience is in providing solution driven communication products.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 12 | Vested Networksvestednetworks.com HQ: Lewisville, TX, United StatesReported employees: 11-50 | Lewisville, TX, United States | 11-50 | Exact match | 30 contacts → |
“Our Mission “We are passionate about providing quality communication services that empower businesses and are paired with integrity and transparency at all stages.” The Vested…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 13 | LIGOligo.co.uk HQ: Glasgow, United KingdomReported employees: 11-50 | Glasgow, United Kingdom | 11-50 | Exact match | 30 contacts → |
“liGo was founded in 2003 to bring the very best cordless phones to market and provide a high level of service.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 14 | Lineoneline.one HQ: Lafayette, LA, United StatesReported employees: 11-50 | Lafayette, LA, United States | 11-50 | Exact match | 29 contacts → |
“For small businesses and large corporations alike, LineOne™ offers scalable, high-quality business phone and networking solutions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 15 | Best4systemsbest4systems.co.uk HQ: Worthing, United KingdomReported employees: 11-50 | Worthing, United Kingdom | 11-50 | Exact match | 28 contacts → |
“Best4Systems is a professional, service orientated, telecommunications equipment fulfillment company.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 16 | Wavetel Business LTDwavetelbusiness.co.uk HQ: Basildon, United KingdomReported employees: 51-200 | Basildon, United Kingdom | 51-200 | Exact match | 27 contacts → |
“Wavetel is one of the top VoIP Phone System and Telecom Services Providers in the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 17 | Totlcom INCtotlcom.com HQ: Watsonville, CA, United StatesReported employees: 11-50 | Watsonville, CA, United States | 11-50 | Exact match | 26 contacts → |
“TOTLCOM has been a dynamic telecommunications company for over 35 years.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 18 | Cortelcocortelco.com HQ: United StatesReported employees: 51-200 | United States | 51-200 | Exact match | 26 contacts → |
“Cortelco offers an broad and expanding line of commercial IP and analog telephone products, as well as IP access control and paging solutions for a wide range of businesses and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 19 | Opto Groupglobal-uc.com HQ: IndiaReported employees: 501-1,000 | India | 501-1,000 | Exact match | 26 contacts → |
“OPTO Group is an Ultimate Communication Solution Provider having its presence in over 36 countries.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 20 | Mainstream Digitalmsdigital.com HQ: Cirencester, United KingdomReported employees: 11-50 | Cirencester, United Kingdom | 11-50 | Exact match | 23 contacts → |
“Mainstream Digital – Communications Solutions for Business Mainstream Digital is a Business Communications solutions provider with over 20 years of telecommunications experience.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 21 | Digitel Systems INCdigitel.ca HQ: Delta, CanadaReported employees: 11-50 | Delta, Canada | 11-50 | Exact match | 22 contacts → |
No recorded description excerpt is available for this public record. | |||||
| 22 | Losh Network Serviceslosh.com HQ: Springfield, MO, United StatesReported employees: 11-50 | Springfield, MO, United States | 11-50 | Exact match | 22 contacts → |
“Losh Network Services is an Authorized AVAYA Business Partner that specializes in the installation, service, and maintenance of VoIP and digital office telephone systems and…” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 23 | Extel Communications LTDextel.co.uk HQ: United KingdomReported employees: 11-50 | United Kingdom | 11-50 | Exact match | 22 contacts → |
“Business telecoms; telephone systems, lines & calls that sort of thing to the SMEs and education up to around 200 extensions.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 24 | Sirus Telecom Limitedsirus-telecom.co.uk HQ: Eastleigh, United KingdomReported employees: 11-50 | Eastleigh, United Kingdom | 11-50 | Exact match | 20 contacts → |
“Sirus are a provider of telecommunication products and services to business customers throughout the UK.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
| 25 | General Communicationsgcctel.com HQ: Woburn, MA, United StatesReported employees: 11-50 | Woburn, MA, United States | 11-50 | Exact match | 20 contacts → |
“Since 1979, General Communications has been providing over businesses in New England and throughout the world with telephone systems and applications.” Recorded description excerpt · November 6, 2026Open company data in RevenueBase ↗Free signup required. | |||||
Showing 25 of 694 company matches
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Multi-line phone system vendors: dataset insights
November 6, 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
686 records in the displayed employee bands.
8 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 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: November 6, 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 ↗
Multi-line phone system vendors by location
3 lists · largest firstEvery Multi-line phone system vendors 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 multi-line phone system vendors?
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 multi-line phone system vendors did RevenueBase find worldwide?
The saved snapshot records 694 matching company records, 4,650 tracked contacts and 856 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: November 6, 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 multi-line phone system vendors worldwide. Snapshot: November 6, 2026. https://revenuebase.ai/companies/browse/multi-line-phone-system-vendors.
This is a selected public preview of saved company records, rather than an independently verified census. Open the source page ↗