Gartner, Magic Quadrant for Unified Communications as a Service, Worldwide, Rafael Benitez, Megan Fernandez, Daniel O'Connell, Christopher Trueman, Pankil Sheth, 18 October 2021 – For Magic Quadrant for Unified Communications as a Service, Worldwide report

Gartner, Critical Capabilities for Meeting Solutions, Tom Eagle, Mike Fasciani, Brian Doherty, Christopher Trueman, 7 October 2021 – For Critical Capabilities report

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