Digital Telephone Systems

Anyone Can Sell You A Phone System, But At Entre, We Design A Solution!

ESI Telephone Systems

In today's business world, it is critical to have a business communication solution that will keep you connected with your customers and employees anywhere, anytime! Your business phone is one of the most critical components of your communication success as a business.

Our expertise in computer integration and VOIP allows our customers to take advantage of the latest technology. can custom design a communication platform tailored to your business.

For more than 27 years, ESI has perfected the desktop phone to work as the hub of your communications. Loaded with advanced capabilities yet incredibly intuitive to use with features you use every day.

Customer Training

Today's digital and VOIP communications systems offer advanced features and capabilities, many of which may not be available with your current system. delivers a comprehensive educational program to assure that the transition to your new communication system is problem-free. Training sessions are conducted by our professional instructors for all your employees, and classes can be conducted before, during, and after the installation is completed. Employees will also be provided with manufacturer's User Guides and Manuals, which serve as useful reference tools after training has been completed.


Reliable and timely telephone service is paramount to the successful operation of any organization. With certified technicians service is our highest priority. Al lmaintenance and service is performed by our own technicians, who are fully equipped and trained in the latest service procedures and technologies.


offers a variety of financing options that will enable you to have the phone system tha tbest fits your business and financial needs.

Maintenance Contracts

offers maintenance contracts designed specifically for our customers. We are happy to discuss the benefits of maintenace contracts and assist you in determining if a maintenance contract would be good for your company, and if so, what type of contract would work best.

Have questions? Need a quote? Ready to order?

Contact our sales department!