Sphere is a leader in enterprise communications system technology, providing customers with powerful and innovative Voice over IP solutions. Delivering real world, mission-critical IP telephony systems to satisfied customers for six years, Sphere Communications today ships its award-winning Sphericall VoIP communications system to thousands of users in all types of commercial and governmental organizations.

Sphere Communications is committed to developing and marketing open, standards-based communications software enabling customers to make technology investments today that will grow with their needs and provide long-term returns. Strategic technical and marketing partners include IBM, Microsoft Corporation, Extreme Networks and other hardware and software companies. Sphere Communications sells and supports Sphericall through qualified resellers and distribution relationships. Founded in June 1994 and privately held, Sphere Communications is headquartered in Lincolnshire, IL, a Chicago suburb.

For a functional overview of Sphericall or a technical overview of Sphereicall please follow the link.