Converged Communication Systems

Chicago Headquarter CCS Nortel Support Group
Nationwide Sales and Support: 877-950-7999
Email us at
Nortel Northbrook sales, install, & support!

Business Communication Solutions
Migrate your Nortel promotions!
Nortel, Norstar, Meridian, BCM, Option, Avaya Sales,
Support, Service & Nationwide Maintenance

Converged Communication Systems

Converged Communication Systems is a premier solutions provider that focuses on sales, services, support, and maintenance for your business telephone systems and data networking products. Our support group specializes in Nortel and Avaya products, however work as your telecommunication and IT specialists to provide a complete solution based around your business needs. We specialize in serving the Chicagoland area focusing primarily on the Northbrook and surrounding suburbs. For more information call our centrally located Nortel northern Chicago based support, dispatch, and distribution center at 877-950-7999. Also, visit our headquarter website for more information at

northbrook chamber of commerce

CCS is a proud member of the Northbrook Chamber of Commerce!

Contact us for more information at 877-950-7999.
Here are some helpful links for your business: Converged Communication Systems LLC Headquarter Page and CCS Avaya Illinois & Chicago

We specialize in serving the Chicago markets (focused on the Northbrook segment and surrounding burbs) with a full staff of Nortel support and account managers ready to assist you with Nortel and Avaya sales and service offerings. If you are a current Nortel or an old Nortel CICS , Nortel MICS, Nortel BCM, Nortel Meridian, Nortel Option, Northern Telecom, Nortel Communication Server, or Avaya Merlin Magix, Avaya IP Office, Avaya Communication Manager, Avaya Multivantage, Avaya Partner Advanced Communication Systems ACS, Avaya Definity or another older legacy systems, the CCS sales team can help review current support, upgrade, and migration options. We can also help if you are looking to move, update, or open a new location. Northbrook/Chicago/Illinois Territory Market Sites :

Nortel Converged Illinois Support Group and the CCS Nationwide Sales and Support division is ready to assist with your voice and data equipment needs. We service principal cities and surrounding areas ranging from Nortel Northbrook, Nortel Chicago, Nortel Illinois, Nortel Des Plaines, Nortel Evanston and the rest of the Nortel Illinois footprint. Contact us at 877-950-7999 for more products and services. Check out our customer showcases to see how we helped multiple site offices leverage migration offers to Avaya IP Office with VoIP, SIP, and unified communication technologies to improve business efficiencies.