CallTower
CallTower is at the forefront of transforming global communication, redefining how businesses connect and collaborate across the globe. Since 2002, CallTower has grown into a global leader in enterprise-class cloud communications and collaboration solutions, empowering businesses to thrive in the digital age. Leveraging advanced technologies like Microsoft® Teams Operator Connect, Direct Routing and GCC High Teams Direct Routing, Webex by Cisco®, Zoom Phone, and AI-powered contact center solutions such as Genesys and Five9 with Professional and Managed Services, CallTower delivers seamless and reliable connectivity tailored to the unique needs of enterprises worldwide. CallTower empowers business communications by integrating features like one-click failover, advanced analytics, seamless CRM integration, and cutting-edge AI—redefining operational efficiency.
In 2025, CallTower acquired North America’s trusted contact center expert, Inoria, amplifying its CCaaS and CX capabilities. Inoria drives the evolution of contact center operations by offering personalized optimization, implementation, and integration services powered by Conversational AI and advanced analytics. Together, CallTower and Inoria deliver actionable insights, enhanced customer experiences, and cutting-edge solutions that guide enterprises through their digital transformation journeys.
With a vision focused on innovation and a commitment to excellence, CallTower continues to advance cloud communications, empowering businesses across the globe to achieve unparalleled success.
- Global Hybrid MSFT Teams, Webex and Zoom environments with key integrations, including contact center
- White globe implementation ensuring a gradual shift in solutions enabling adoption
- Scalable / Flexible / Customizable
- Georedundant network and platforms are completely optimized for voice
- CallTower Connect - provisioning portal with 25+ APIs
- Professional and Managed Services
CallTower delivers seamless MS Teams, Zoom, and Webex voice solutions elevated by the integration of AI technology, comprehensive contact center solutions and one-click failover. Customers can architect a hybrid communcations strategy or move between the most popular platforms as needs change. Calltower supports domestic and global customers with a variety of UCaaS and CCaaS offerings and expertise.
- Hunter Edmisten, UC/CC/AI FSE
CallTower’s domestic and international value is best realized by companies with more than 100 employees with a requirement to easily scale and add locations.
- Company has a need to effectively communicate and collaboration across multiple locations and/or dynamic workforce
- Company currently has legacy phone system and would like to migrate to cloud-based communications
- Company would like a complete Digital Workspace solution beyond just a PBX replacement. They want all their services, billing and support under one roof.
- Company is currently utilizing several on-prem services with a communication requirement for interoperability with cloud-based solutions
CallTower is in a UNIQUE position in the marketplace delivering industry-leading communications solutions (Microsoft Teams, Cisco Webex and Zoom), empowered by 25+ key business integrations. Providing an environment w here these solutions can work together – enabling customers with a choice (down to the user level) and keeping the internal calls between these platforms on-net enabling additional cost savings. These solutions are all provisioned through CallTower Connect, our proprietary provisioning portal.
Strongest industry fit
- Financial Services
- Government
- Education
- Retail & Consumer Products / eCommerce
What we’ll ask before recommending them
- Are you using Office 365 today and want to voice enable Teams?
- Do you need to voice enable Teams on Microsoft GCC High?
- Are you looking to migrate from on-premise to a cloud-based communications platform?
- Are you utilizing a legacy Cisco service and need to migrate to Webex, MS Teams, or Zoom?
- Are you interested in a full cloud-based solution including Contact Center?
- Do you require a georedundant network with one-click failover options?
Compare CallTower against competitors
CallTower is one of 204 providers we compare in UCaaS, SD-WAN / SASE, CCaaS, Connectivity and CX & AI. We’ll run CallTower side-by-side against the alternatives on the requirements that actually matter to you — integrations, contract terms, support model, and real market pricing — and tell you honestly if a different provider fits better.
As your vendor-neutral Trusted Advisor, we can tell you honestly whether CallTower is the right fit — and compare it against every alternative in the market, typically at no cost to you.



