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View CallTower's top competitors like 8x8, Dialpad, and Grasshopper.

Microsoft
Every company has a mission. What's ours? To empower every person and every organization to achieve more. We believe technology can and should be a force for good and that meaningful innovation contributes to a brighter world in the future and today. Our culture doesn’t just encourage curiosity; it embraces it. Each day we make progress together by showing up as our authentic selves. We show up with a learn-it-all mentality. We show up cheering on others, knowing their success doesn't diminish our own. We show up every day open to learning our own biases, changing our behavior, and inviting in differences. Because impact matters. Microsoft operates in 190 countries and is made up of approximately 228,000 passionate employees worldwide.
Redmond, Washington, US
Public
$254B Revenue
https://www.microsoft.com
231.5K Employees
MSFT Ticker
RingCentral
RingCentral, Inc. (NYSE: RNG) is a global leader in AI–powered customer engagement, delivering an integrated platform for business phone, SMS, contact center, workforce engagement management, video collaboration, and messaging. Powered by advanced AI capabilities, RingCentral delivers intelligence at every phase of the conversation journey — before, during, and after each human interaction. With RingCentral, businesses can work smarter, respond faster, and connect more meaningfully with their customers. Visit ringcentral.com to learn more. Our decades-long leadership in reliable and secure cloud communications has earned us the trust of nearly 600,000 customers and millions of users worldwide. RingCentral is headquartered in Belmont, California, and has offices around the world.
Belmont, California, US
Public
$2.4B Revenue
http://www.ringcentral.com
6.7K Employees
RNG Ticker
Dialpad
Dialpad is the leading AI-powered communications intelligence platform creating human-first, AI-enhanced solutions that will drive the next wave of how businesses communicate with and serve their customers. Enterprise customers such as Randstad, RE/MAX, Nasdaq, Express Scripts, T-Mobile, Johns Hopkins, Motorola Solutions, Tractor Supply, and Netflix use Dialpad and its AI capabilities to deliver amazing customer experiences. Supported by notable investors such as Andreessen Horowitz, GV, ICONIQ Capital, and OMERS, Dialpad is a dynamic force in AI technology with a rapidly expanding presence. Visit dialpad.com to learn more.
San Ramon, California, US
Private
$360M Revenue
https://www.dialpad.com
1.5K Employees

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