Upgrading Business
Telephone Systems

Nortel Product Line


A Low Voltage Contractor You Can Rely On 

Old wiring can lead to network connectivity issues that can impact your day-to-day operations. Clean up your office wiring and cabling with low voltage installation, ensuring safety and efficacy. We also remove existing cable and re-run wires for maximum efficiency. The way these wires are installed also may impact your voice and data infrastructure, which is why we consider what we do to be an art form. When done right, you'll notice your communications improve, and you won't be able to see the wires in your office.

We are currently selling Nortel, Avaya, NEC, and Panasonic business phone systems.

Business Solutions

Schedule your free estimate.

Call (773) 920-7696.


About Us

Core Connect Communications is a low-voltage contractor that understands the importance of a solid business relationship. Our team streamlines business telephone systems in Chicago, IL, and nearby states while striving to deliver the best service and customer support. Take advantage of our free assessment so we can help you determine the best network infrastructure solutions for your office.
We have completed over 3,000 full and partial wiring upgrades for large corporations, as well as small to medium-sized businesses in the upper Midwest area. No project or challenge is too big or too small for our communication experts, who use more than 15 years of experience to meet your needs.

Our business goes above and beyond to exceed customer expectations. Customers have been coming to us since 2011 because we take pride in our services. Our team is dedicated to producing consistent and reliable work from start to finish.


Thank you for your interest. Please reach out with questions or comments using the information below. We look forward to hearing from you.

(773) 920-7696

Hours of Operation
Monday – Friday: 9:00 a.m. – 6:00 p.m.
After Hour and Weekend Appointments Available Upon Request