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CornerStone Telephone

offers voice, data and cloud computing services to business customers... Read more
OverviewCompetitorsAcquisitionsNews & Insights

CornerStone Telephone

offers voice, data and cloud computing services to business customers... Read more
CornerStone Telephone Co-Founder & CEO: Dan Yamin

Co-Founder & CEO

Dan Yamin

CEO Approval Rating

68/100

2002

PrivateSubsidiary of X5 Solutions, Inc.

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Est. Annual Revenue
$5.0-25M
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Est. Employees
100-250
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Acquisitions
7

News

Dec 17, 2015
Telecompaper
CornerStone Telephone: X5 Solutions acquires CornerStone Telephone
Dec 17, 2015
CornerStone Telephone Blog
CornerStone Telephone Blog Top Five Benefits of Integrated Presence Management & Unified Communications
Dec 17, 2015
CornerStone Telephone Blog
CornerStone Telephone Blog Celebrating 10 years by giving back - Center for Urban Community Services
Dec 17, 2015
CornerStone Telephone Blog
CornerStone Telephone Blog Looking forward to hosted services
Dec 17, 2015
CornerStone Telephone Blog
CornerStone Telephone Blog The cloud and regulatory compliance

CornerStone Telephone Competitors

1mindSHIFT
2Global Communications Group
3LightEdge
4NSK Inc.
5StratusPointIT
6Quantum Networks, LLC
7365 Data Centers
8Webair
9Audience
10Cologix
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