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!

Converged Communication Systems, LLC, is a premier voice and data communication provider. Providing excellent support and maintenance services is our founding principle and we have a history rich in telecommunications and IT sales and services that we offer to all businesses. Nortel professional services and Avaya sales distributor serving the Northbrook, Illinois, and surrounding areas and providing nationwide Nortel professional services, Nortel support, and Nortel maintenance. Our centrally located Chicago based support headquarters, dispatch and distribution center allows us to serve customers on the east coast and west coast. We specialize in small business Nortel solutions as well as Nortel enterprise class telephony solutions focusing around your business needs. We are a full in-house sales and support organization that also focuses on your data network and voice and internet service provider needs working with a number of telephone service providers and VoIP and SIP providers nationwide to provide a complete and redundant solution.

Current Nortel Customers:
We work with all current and older Nortel phone systems, Norstar CICS, Norstar MICS, Modular ICS, Compact ICS, Nortel BCM Business Communication Manager, BCM 50, BCM200, BCM400, BCM450, Meridian phone systems, and Nortel Option 11C, Nortel Option 11C Mini, Nortel Option 61C, Nortel Option 81C, Nortel Communication Server 1000, Communication Server 2000, Nortel CS1500, Nortel CS2100, Multimedia Communication Server 5100, Mobile Communication Client, IP Softphone, Secure Multimedia Controller 2450, Software Communication System 500, Adaptive Application Engine, Application Server 5200, Application Server 5300, phone systems as well as our core Avaya phone systems. Our goal is excellent customer service. Customer who have Nortel systems in place turn to us for our aggressive migrate to Avaya promotions as well as our Nortel upgrade plan and Nortel moves, adds, and changes requests. We support your older technology by providing maintenance services as well as programming services to allow you to keep your investment protected.

Your premier Nortel Northbrook support and maintenance provider:
We specialize in small business telephone systems and large enterprise phone systems. Converged Communication Systems is a full Northbrook telecommunication and IT infrastructure sales, Nortel service, Nortel support, Nortel maintenance, Nortel installation, and Nortel programming services. To setup a free phone system demo or for a free phone service analysis, contact us at 877-950-7999. Contact us at 877-950-7999.

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.