IT Support

At the core of everything that is Callisto is our ability to find the almost impossible to find part or to help you solve the seemingly impossible problem. We have thousands and thousands of parts in stock with a depth of knowledge that exceeds our years in business.

Utilizing our in-house testing lab and decades of experience, we will work to recreate the technical issue you may be encountering, in order to resolve the issue and get your business’ unified communication up and running smoothly.

We have some of the industry’s leading experts who have stayed the course and know Nortel products inside and out. We have invested money and resources into Nortel products to help you preserve your investment for years to come.



Callisto Communications has years of experience providing quality technical service when your business needs it. Contact us or call 636-812-3600 for additional information regarding the IT support services we offer.

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