CallTower
CallTower provides cloud-based enterprise-class unified communications solutions for organizations worldwide.
Market Share of CallTower
Current Customer(s)
28
Market Share (Est.)
0.18%
Ranking
#46
Top Competitors and Alternatives of CallTower
The top three of CallTower’s competitors in the Cloud Business Telephony category are Cisco Jabber with 14.19%, Avaya IP Office with 11.25%, Avaya Aura with 7.10% market share.
| Technology | Domains | Market Share (Est.) | Versus page |
|---|---|---|---|
| Cisco Jabber | 2157 | 14.19% | CallTower vs Cisco Jabber |
| Avaya IP Office | 1710 | 11.25% | CallTower vs Avaya IP Office |
| Avaya Aura | 1080 | 7.10% | CallTower vs Avaya Aura |
| Nortel Meridian | 967 | 6.36% | CallTower vs Nortel Meridian |
| FreePBX | 861 | 5.66% | CallTower vs FreePBX |
| Avaya CMS | 805 | 5.29% | CallTower vs Avaya CMS |
| Spoken Communications | 656 | 4.31% | CallTower vs Spoken Communications |
| OnSIP | 533 | 3.51% | CallTower vs OnSIP |
| Sonetel | 441 | 2.90% | CallTower vs Sonetel |
| Rohde Schwarz | 436 | 2.87% | CallTower vs Rohde Schwarz |
| Toky | 412 | 2.71% | CallTower vs Toky |
| Digium | 385 | 2.53% | CallTower vs Digium |
| Crown Castle | 376 | 2.47% | CallTower vs Crown Castle |
| VICIdial | 358 | 2.35% | CallTower vs VICIdial |
| Metaswitch | 350 | 2.30% | CallTower vs Metaswitch |
| ANPI | 303 | 1.99% | CallTower vs ANPI |
| Vidyo | 177 | 1.16% | CallTower vs Vidyo |
| Onebox | 157 | 1.03% | CallTower vs Onebox |
| Zoom Phone | 153 | 1.01% | CallTower vs Zoom Phone |
| JustCall | 147 | 0.97% | CallTower vs JustCall |
Popular Comparisons
Top Competitors and Alternatives of CallTower
The top three of CallTower’s competitors in the Cloud Business Telephony category are Cisco Jabber with 14.19%, Avaya IP Office with 11.25%, Avaya Aura with 7.10% market share.
CallTower vs Cisco Jabber
CallTower vs Avaya IP Office
CallTower vs Avaya Aura
CallTower vs Nortel Meridian
CallTower vs FreePBX
CallTower vs Avaya CMS
CallTower vs Spoken Communications
CallTower vs OnSIP
Customers of CallTower
Around the world in 2024, over 28 companies have started using CallTower as Cloud Business Telephony tool.
| Customers | Employee Range | City | Region | Country | Social Links |
|---|---|---|---|---|---|
| Tata Communications Ltd | 10,000+ | Mumbai | Maharashtra | India |     |
| Robert Half International, Inc. | 10,000+ | Menlo Park | California | United States | |
| CommScope Holding Company, Inc. | 10,000+ | Hickory | North Carolina | United States | |
| ZoomInfo | 1,000 - 4,999 | Mountain View | California | United States | |
| Anka Behavioral Health | 500 - 999 | Pomona | California | United States | |
| APCO Holdings | 500 - 999 | Greenville | South Carolina | United States | |
| John Paul | 500 - 999 | Chennevieres-sur-Marne | Ile-de-France | France | |
| Land Home Financial Services | 250 - 499 | Columbus | Ohio | United States | |
| ITW Drawform | 250 - 499 | Zeeland | Michigan | United States | |
| CallTower | 100 - 249 | Foster City | California | United States | |
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CallTower Customers by Products and Services
The top three products and services offering customers that use CallTower for Cloud Business Telephony are Content Delivery Network (CDN) (1), Data Centers (1), Sales Productivity Tools (1).
Customers
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CallTower Customers by Employee Size
The majority of CallTower's customers for the cloud-business-telephony category fall in the company size of 20 - 49 employees (7 companies), 100 - 249 employees (5 companies), 50 - 99 employees (4 companies).
Employee Size
CallTower Customers by Geography
The top three geographies of CallTower for cloud-business-telephony are the United States with 25(89.29%), India with 1(3.57%), Egypt with 1(3.57%) customers respectively.
Customers
Employees of CallTower
Also see other Products/Services by CallTower in:
FAQ
Find answers to the most often asked questions by users.
Who are the top CallTower competitors?
CallTower’s Top competitors in the cloud-business-telephony category are Cisco Jabber, Avaya IP Office, Avaya Aura. You can view a full list of CallTower competitors here. 6sense uses advanced data mining and AI algorithms to track customers and competitors of CallTower and 40,000 other technologies on the internet. You can also compare CallTower and its feature with top competitors here : CallTower vs Cisco Jabber CallTower vs Avaya IP Office CallTower vs Avaya Aura.
What is CallTower customer distribution based on company size?
What is CallTower market share in the cloud-business-telephony?
What are the top countries that use CallTower?
What are the top industries that use CallTower?
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