Time For An Upgrade
That phone system you have isn’t going to last forever. Maybe it’s time to consider an upgrade. We offer business telephone systems by Vertical. Voicemail. VoIP. Complete packages. Installation and Training.
Network Cabling Solutions
We offer low voltage cabling services. Telephone, Network, and Wire Management. Installation, Termination, Testing, and Certification.
Welcome to DSI Tech Services
We do it because we love computers. That doesn’t mean they can’t be trouble. Let us fix up the relationship with your computer. Viruses. Malware. Crashed hardware. You name it. We work wonders.

WELCOME TO Callisto

From the design to technology

FREE DESIGN BUNDLES
FREE DESIGN BUNDLES

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RELIABLE SUPPORT
RELIABLE SUPPORT

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CONTINUES MAINTENANCE
CONTINUES MAINTENANCE

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  • DSI will put themselves in your shoes. When you are suffering because a system is down, they are suffering. The put their heart into all they do.

    David P. Assistant Manager
  • They know how to work alongside any member of our staff without embarrassing them for doing something wrong. Sometimes I wish they would - - just a little.

    Patrick B. Office Manager

KEY FEATURES

More reasons for loving Callisto

MULTIPLE HOMEPAGES

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EXTENSIVE DOCUMENTATION

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FULL RESPONSIVE

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DOWNLOADABLE CONTENTS

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LIKED BY THOUSANDS

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EASY TO WORK WITH

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We are empowered by passion and enthusiasm.

FROM THE BLOG

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