Webex
One app for everything. And everyone. Calling, meetings, messaging, and events in the cloud for teams of all sizes.
1315 employees · est. 1995 · San Jose, United States
Webex is the older company (2002 vs 1995); Webex is the larger of the two.
Side-by-Side Comparison
| Metric | CallTower | Webex |
|---|---|---|
| Founded | ||
| Founded | 2002 | 1995 older |
| Headquarters | ||
| Headquarters | South Jordan, United States | San Jose, United States |
| Employees | ||
| Employees | 248 | 1315 larger |
| Industry | ||
| Industry | Messaging, Telecom | Enterprise Software, Internet, Messaging and Telecommunications |
| Funding Stage | ||
| Funding Stage | Private Equity | Series Unknown |
| Total Funding | ||
| Total Funding | Not tracked yet | $47.00M |
| Funding Rounds | ||
| Funding Rounds | 2 | 2 |
| 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 | Webex Suite, Meetings, Calling, Messaging, Webinars, Events, Video Messaging, Polling, Whiteboarding |
| 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 | Enterprises, Public Sector Organizations, Education Institutions, Healthcare Providers, Financial Services, Nonprofits |
| Taxonomy | ||
| Taxonomy | Cloud Communication, Collaboration Solutions, Enterprise-Class Communication, Microsoft Teams Operator Connect, AI-Driven Contact Center Solutions, CCaaS, CX Optimization, Unified Communications, VoIP Integration, Digital Transformation, Webex By Cisco, Zoom Phone, Contact Center Integration, Workforce Management Consulting, Global Enterprise Voice | Cloud-based Collaboration, Video Meetings, Messaging Solutions, Customer Experience Solutions, Contact Center, Collaboration Devices, AI And Machine Learning, Security And Privacy By Design, Business Productivity Apps, On-demand Applications, Multipoint Video Conferencing, Web Conferencing, Telework Solutions, Application Remote Control, Global MediaTone Network |
| Website | ||
| Website | calltower.com | webex.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 Webex
Webex, founded in 1995 in the United States, offers a comprehensive suite of cloud-based collaboration solutions, targeting diverse industries such as Enterprise Software, Internet, Messaging and Telecommunications, Privacy and Security, and Telecom. With a value proposition encapsulated by the slog...
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Funding, hiring, leadership and stack changes at CallTower and Webex — by email.
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Compiled from the BounceWatch company index. We last looked at CallTower on 17 May 2026, and Webex on 15 Aug 2025. 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.