ESI Business Telephone Systems Built Around Your Team
Modern phone solutions that keep employees connected, simplify customer communication, and support your business wherever work happens.
Business Communications
as hard as you do.
Today’s phone systems connect teams across offices, mobile devices, computers, voicemail, conferencing, text messaging, and customer calls. Holtz Electric helps businesses plan, install, and support systems that are easier to use, manage, and scale.
Offerings
Cabling & Connectivity.
From office phones to mobile calling and advanced routing, we build communication systems around the way your team works.
Business phone
systems
Complete telephone solutions designed to improve internal communication, customer service, and everyday business operations.
ESI and VoIP options
Flexible on-site and cloud-based phone systems tailored to your organization, users, locations, and communication needs.
Desk phones, mobile
apps, softphones
Keep employees connected through office phones, smartphones, tablets, and computers—whether they work on-site or remotely.
Are your phones outdated?
Upgrade aging equipment with a modern system that delivers better features, reliability, and easier day-to-day management.
Adding staff or opening new offices?
Choose a scalable phone system that makes it easier to add users, extensions, departments, and additional locations.
Need mobile and desktop calling?
Give employees the flexibility to place and receive business calls from their mobile devices or computers.
Need call routing, voicemail, recording?
Improve call handling with customized routing, voicemail, automated attendants, recording, and other useful communication features.
Find the Right Fit
fit your needs?
Your phone system should support how your team communicates today while leaving room for future growth. We can evaluate your current setup and recommend practical improvements.
Stay Connected
ESI Phone Systems
Around Your Business.
ESI phone systems help streamline communication, security, and daily operations across your business. Holtz Electric installs systems that connect office phones, mobile devices, conferencing, voicemail, and access control through one manageable platform.
With compatible integrated access control, designated phones can receive entry calls, display live video, and allow authorized staff to unlock doors directly from their devices.
Resources
For more information about a specific ESI solution, select a resource below to download its product information.
Testimonials
FAQ
Holtz Electric installs ESI and VoIP telephone systems with desk phones, mobile applications, softphones, voicemail, conferencing, call routing, and other business features.
Yes. We can evaluate your current equipment and recommend upgrades based on your users, locations, desired features, and future growth.
Depending on the selected system, employees can use mobile applications and computer-based softphones to place and receive business calls remotely.
Call 918.336.5971 or complete the online contact form to discuss your current phone system and communication needs.