Side-by-Side Comparison
| Metric | CallTower | Phone.com |
|---|---|---|
| Founded | ||
| Founded | 2002 older | 2008 |
| Headquarters | ||
| Headquarters | South Jordan, United States | New York, United States |
| Employees | ||
| Employees | 248 | 420 |
| Industry | ||
| Industry | Messaging, Telecom | Information Technology, Messaging, Messaging and Telecommunications |
| Funding Stage | ||
| Funding Stage | Private Equity | Venture round |
| Funding Rounds | ||
| Funding Rounds | 2 | 8 |
| Services | ||
| Services | Unified Communications as a Service (UCaaS), Contact Center as a Service (CCaaS), Collaboration and Integration Solutions, AI-Driven Communication Technologies, 24/7/365 Support | Not tracked yet |
| Target Customers | ||
| Target Customers | Enterprises seeking advanced communication solutions, Organizations transitioning from legacy telephony systems, Businesses requiring seamless integration with Microsoft and Cisco platforms, Companies in need of global voice and network connectivity | Not tracked yet |
| Taxonomy | ||
| Taxonomy | Cloud CommunicationCollaboration SolutionsEnterprise-Class CommunicationMicrosoft Teams Operator ConnectAI-Driven Contact Center SolutionsCCaaS +9 | Cloud-based CommunicationVoIP SolutionsTelecommunicationBusiness Phone FeaturesAPI IntegrationCollaboration Solutions +6 |
| Website | ||
| Website | calltower.com | phone.com |
About CallTower
CallTower, founded in 2002, has consistently positioned itself as a pioneer in the field of global communication. The company specializes in enterprise-class cloud communication and collaboration solutions, aiming to empower businesses with state-of-the-art technologies. Central to its offerings are...
About Phone.com
Phone.com is a veteran-founded communication and collaboration solutions provider, offering a comprehensive suite of cloud-based services to over 30,000 businesses. With a diverse range of over 50 customizable features including audio and video conferencing, call forwarding, and virtual toll-free an...
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Compiled from the BounceWatch company index. We last looked at CallTower on 17 May 2026, and Phone.com on 11 Nov 2024. Where a field is blank here, it means we have not recorded it — not that the answer is zero. How we source and date this.
