VOIP & Phone Systems

With all the technological advances, voice communications remains the most reliable form of information. From affordable entry-level phones to products that deliver advanced applications to the desktop, Ruder Technologies offers a broad range of digital phones, voice-over IP phones, and hosted services. RT will custom design and install your voice network for all present and future applications.



ESI Logo

ESI develops business communications products targeted to businesses of various sizes, and markets those products through a diverse Reseller organization that includes a broad cross-section of telephone interconnect companies and independent telephone companies throughout North America. As an original equipment manufacturer (OEM), ESI has built private-label versions of its products for some of the world’s leading brands in telecommunications, including Comdial, Samsung, Executone, and Code-a-Phone. ESI products are used by major companies such as:

Chase Manhattan Bank
Best Buy
Holiday Inn
Century 21 Realtors
Blockbuster Video
Fleet Bank
Office Depot
Hampton Inn
Advantage Rent-a-Car
Farm Bureau Insurance

Additionally, ESI products have been installed in over 200 nationwide offices of one of the largest agencies in the United States government.



Contact us to discuss how Ruder Technologies may best serve you.
(815) 933-9300 | Request a Quote


Phone SystemsStructured Cabling
Access ControlAudio and Visual
Security CamerasConsulting