VOIP Systems

Versatile and customizable. Great option for small to medium businesses. Can have reliability issues if your internet service is not ideal.

Self-Hosted VOIP Systems

Completely customizable and great for technology-savvy businesses. Requires a good deal of technical knowledge as well as special hardware and maintenance.

Cloud-based VOIP Systems

No hardware required at an affordable price. There is some loss of customizability and the system reliability is completely in the hands of your provider. A cost effective option for someone on a tight budget.

Brands & Pricing

We are a provider of world-class Grandstream and Yealink phone systems. Our service and installations come with a 2-year parts and labor warranty and our personal promise that is anything goes wrong, we will work with you to make it right. Pricing varies dramatically

Pricing varies dramatically depending on the size and needs of your business. Our cloud-based phone services offer the best price for small businesses and startups while our more complex and customizable VOIP and wired systems are preferred by larger enterprises.

How Long Will My Installation Take?

Installation times vary. For small installations, like a small business that only needs a few phones installed, we are often in and out in under 3 hours. Typical installations take about a day, while large commercial installations with dozens of lines, special hardware requirements, and customization can take several days.

Services & Features

ESI Comm provides expert telephone system installations, ranging anywhere from small business phone and VoIP systems, to large business line installations. We aim to take the hassle out of the installation process, as well as improve your business’s daily communication structure. Like all of our services, we provide time efficient installations, paired with education and maintenance in efforts to avoid future problems.


(Voice over IP) is a group of technologies that allow you to utilize voice communication over an IP network, like the internet. Some more general terminology for this service is broadband phone services.


ESI offers full line paging systems for facilities such as industrial sized warehouses systems as well as smaller applications. From the microphones to the speakers, we will install it all, and educate all users on the paging system’s use and operation. Increasing accessibility and improving communication in the workplace.

Auto Attendant/ Voicemail

Are you frustrated with your current phone call managing system, or looking to set one up for your new business? Our easy to use interfaces can save you money and time, as well as serve as a digital receptionist for your business. Answering and responding to calls in a timely manner is a key component of successful businesses, and ESI can educate you on how our systems would allow you to do so.

Ad on Hold

Do you find yourself at work having to put a large portion of your customers on hold while you provide them with the information they are looking for? Why not capitalize on this opportunity. We can install customized messages, audio advertisements more or less, that play while they wait, educating them on your products and services. Utilize all advertising avenues you have, and let ESI be your Service to help do so!

Have Questions or Need a Quote?

ESI is committed to providing businesses with the tools and systems they need to grow and to work more efficiently. Interested in receiving a quote about a project you have in mind? Call us today and get on the road to a more effective business operation.

Columbia, MO office 573-818-6330  |  Sikeston, MO office 573-471-7444