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Leader in innovation, design and market capture of UCaaS (Unified Communications as a Service) phone systems.  Provides simple administration, easy deployment and an all-inclusive communications tool.  Scales extremely well from SMB to Enterprise level application. 

Quickly gaining ground in the UCaaS space.  Simple administration and easy deployment that’s ideal for small to mid-size businesses.  Builds and manages all applications in-house.

Flexible solution that offers robust UCaaS, on-premise and hybrid options.  Their strength is their versatility and history in the industry.


Digital transformation of the customer experience has had a huge impact on the needs of a successful contact center. Customers now communicate through multiple mediums and it’s more important than ever to be able to keep it all organized and provide a rewarding experience that keeps them coming back. Technological advancements in contact center platforms are staggering. CornerStone has spent countless hours researching and implementing the leading solutions.

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