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

Contact us for more information at 877-950-7999.

Migrate your pbx, plan a migration to ip telephony and more:

Avaya Migration Promotion
If you are a current Nortel customer, we have bundled special promotions and discounts to Nortel customers to migrate infrastructure over to Avaya Communication Servers. Contact our sales and design center for more information or visit

Avaya Financial Services Leasing Promos
To assist customers with migration promotions, Avaya Financial services has some aggressive leasing rates and finance rates.

Avaya Communication Manager Servers
For larger businesses 0-36,000 endpoints, the Avaya communication manager software suite is the most robust call processing and the most reliable on the market today. Select from our media servers and gateways from S8100, S8300C, S8510, S8730, and other options. Replace your Meridian 1 Option 11, 61, or 81 as well as Nortel Communication Server.

Avaya IP Office IPOffice IP 500 IP 400
For small to medium sized businesses the Avaya IP Office IP500 and IP400 allows 0-360 endpoints. This robust voice switch allows for traditional pbx functionality and also it allows you to voip enable and sip enable. IP401, IP403, IP406, IP412, IP500 and more. Replace your BCM or MICS.

Avaya Partner ACS Phone System
Small communication system replacing CICS and small MICS. From 0-40 endpoints typically with flexible voicemail options including partner mail, partner messaging, partner voice messaging small, partner voice messaging large.

Partner 18d
Upgrade your Nortel and Nortel Upgrades
Upgrade you nortel or avaya phone system. Whether it is a hardware or software upgrade, we can help.

Call our Nortel Support Headquarters 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.