877-598-3999
Contact us!

Nationwide Phone System and Data Network Sales and Support
Avaya Maintenance, Business Phone Systems, Enhanced Applications & Peripherals

The Evolution of Avaya Definity - Avaya Communication Manager Software with Avaya Media Servers and Avaya Gateways and Avaya Cabinets

Avaya Media Servers Include

Avaya Media Gateways Include

Avaya Traditional Cabinets

Avaya Communication Manager For more information about Avaya Media Servers and Avaya Media Gateways

Full Sales & Avaya Converged Services We have solutions that fit every application for the small to large customer. We are a full sales, service, and maintenance organization. Our core focus is Avaya equipment and Avaya phone systems, however we have added many other value added partners to provide more comprehensive solution.

Avaya S8100
Avaya S8300
Avaya S8400
Avaya S8500
Avaya S8710
Avaya S8720
Avaya S8700

Avaya G10 (Avaya One-X and Avaya Quick Edition)
Avaya G11 (Avaya One-X and Avaya Quick Edition)
Avaya G20 (Avaya One-X and Avaya Quick Edition)
Avaya G150
Avaya G250
Avaya G350
Avaya G450
Avaya IG550
Avaya G600 (Avaya IP 600 or IP600)
Avaya G650
Avaya G700
Avaya G750
Avaya G860
Avaya W310 Mobility Gateway
Avaya Security Gateway (SG200, SG208, SG203)
Avaya Voip Gateway
Avaya SIP Gateway

Avaya CMC (Avaya Prologix wall mount - not available)
Avaya SCC (stackable)
Avaya MCC (large enterprise cabinets)

Avaya Communication Manager is considered the SOFTWARE. Avaya call processing software and administration suite. Other common software names include ASA (Avaya Site Administration) and DSA (Definity Site Administration) as well as GEDI.

We partner with many service providers and equipment vendors to provide more add-on options to your phone system and data network. Whether you need Avaya equipment, Unified Messaging Voice mail, Fax Server Solutions, VoIP Endpoints, Cellular Gateways, Wireless / IP DECT solutions, we have it all & provide EXPERT installation, programming, and maintenance services.

Contact CCS for more information 877-598-3999

Converged Communication Systems Group
Home Page

Converged Communication Systems, LLC

Evanston, IL 60201
Sales & Support: 877-598-3999

Avaya Sales and Applications
Avaya Service & Support
Converged Careers
Avaya Maintenance
Converged Maintenance

Headquarters: Evanston, Ilinois (Chicagoland, just north of downtown Chicago).
Support Coverage: Nationwide Avaya Maintenance

Contact Us

sales@convergedsystems.com support@convergedsystems.com careers@convergedsystems.com maintenance@convergedsystems.com billing@convergedsystems.com

We work with Avaya Chicago to provide full end-end solutions for your business needs. Whether you are small or a large enterprise, we have solutions and services to support your converged voice and data network.