Estech Systems, Inc. (ESI)

05/26/2026

Meet CAIRO for ESI Cloud™—your always-on AI receptionist for modern business communications. Today’s customers expect fast, accurate, and personalized service, and CAIRO delivers exactly that—24/7.

Schedule a demo today! https://hubs.la/Q04hSL4K0

05/13/2026

Discover how ESI’s cloud-based VoIP keeps everyone connected and productive across multiple locations or remote offices. Explore our “Multi-Location Power” case study to see how we help distributed teams collaborate more efficiently.

https://hubs.la/Q04gskYr0

Case study detailing how ESI helps businesses with multiple locations upgrade their communications and save money

05/05/2026

Experience communication without compromise. The award-winning ESI eCloud PBX™ solution brings secure, reliable, and flexible VoIP features to your business—no matter where your teams work. With advanced AI tools, seamless CRM and Teams integrations, and high uptime, you can empower internal productivity while delivering exceptional customer service. Visit our website and discover just how effortless modern communication can be!

https://hubs.la/Q04fp_1j0

04/30/2026

When legacy phone systems crash, every minute of downtime costs you. Discover how ESI Cloud helped two major brands rapidly restore their communications and get their teams up-and-running.

https://hubs.la/Q04d-Lw30

Case study detailing how ESI helps a pair of iconic brands get back up to speed quickly with rapid recovery of services.

03/02/2026

Big news! After nearly 38 years of innovation and growth, ESI has been acquired by Crexendo® — marking an exciting new chapter for our partners, customers, and team.

By joining forces with Crexendo, a leading UCaaS provider, we’re expanding our resources, accelerating innovation, and strengthening our ability to deliver powerful cloud communications solutions — all while continuing the relationships and service you know and trust.

This move represents tremendous opportunity ahead, and we couldn’t have reached this milestone without the incredible support of our partners and customers.

Read the full press release here: https://hubs.la/Q0458xVk0

07/22/2025

At ESI, we’re committed to keeping essential services connected during challenging times. In response to severe flooding in Texas, we are making a donation through our "Success with Significance" program, and providing free access to our advanced cloud calling apps to support key Community Action Agencies (CAAs). We are proud to leverage our innovative solutions to make a real difference. Learn more at https://bit.ly/4f0xfhX.

07/22/2025

Revolutionize your business communication with a modern cloud VoIP solution designed for today’s dynamic workplaces. Our innovative platform integrates high-definition calling, unified messaging, and seamless app connectivity to keep your team connected—whether in the office or remote. Experience secure, reliable, and efficient communication that empowers your business to thrive. Discover more today at https://bit.ly/44GnstQ.

07/30/2024

With our ESI eCloud Webphone™, you can carry your office with you wherever you go! Securely access your work phone and company directories from any computer. Learn more at https://bit.ly/3LeNSIn

07/25/2024

Partner with us at ESI to seamlessly connect your customers with our award-winning Cloud Solution. ESI provides everything from marketing materials, demos, technical training and more! Learn how you can become a partner at https://bit.ly/3VYVXGa

07/23/2024

Combine your desktop phone, smartphone app, and softphone into one with ESI's eSIP Evolution Series™, in a scalable growth model. Learn more at https://bit.ly/4eMuRL0

07/18/2024

ESI's eCloud PBX™ solution has won multiple awards, from Internet Telephony's Product of the Year Award to TMC's Excellence in Teleworking Solutions award and more. Learn more about our award-winning solution at https://bit.ly/4cT8Fxa