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Capabilities to Power Your Business

We have the products you need to keep your business moving
in the direction you want.



Local & long distance, SIP Trunk Service, VoIP and traditional voice provide reliability, full features, mobility and flexible pricing to choose from.

Whether you host virtual desktops, specific applications, or just your e-mail, you'll enjoy simple, convenient and affordable services and avoid the high-costs and hassles of owning, maintaining, and upgrading your own software and reduce computing hardware expenses.

High speed connections give you fast connection speeds to public and private domains.

It's your business, so you make the choice. Store your existing server at one of our secure data centers or enjoy the reliability, performance, and cost savings of a Dedicated or Virtual Private Server.

Every work environment has it's own way of getting the job done. By offering leading brands like NEC, Aastra, and ESI, we can give you the solution to support your needs. From small office/home office to enterprise environments, you'll take full advantage of voicemail, auto-attendant, unified communications, presence management, and many more tools to handle your business calls like the expert you are.

Additional discounts are available for customers who leverage multiple products and services from CornerStone. Entrepreneurs and enterprise clients alike will enjoy savings with their integrated solution from CornerStone.

Discover how Microsoft SharePoint and Mozy online data backup can transform your organization, by eliminating delays and security threats that plague projects in organizations of every size.