CCS Avaya Partner Business Telephone System Solutions. Voip Business Telephone Systems and Traditional.
Business Telephone System Solutions (Avaya Telephone Systems Support & Maintenance Chicago)
#1 in Chicago for Avaya Business Telephone System

Converged Communication Systems - An Expert Avaya Business Telephone System Partner based out of Chicago specializes in Business Telephone Systems & Business VoIP Systems. #1 in Business Telephone Systems, Avaya Communication products and services is used by over 90% of Fortune 500 companies.

Avaya Partner Telephone System: Built to handle small offices with under 40 users, the Avaya Partner Telephone System has a long history in feature rich options for your office.

Avaya Merlin Telephone System: Built to handle medium sized offices, the Avaya Merlin Telephone System (Avaya Merlin Magix and Avaya Merlin Legend) have been discontinued by Avaya. However, CCS maintains and supports Avaya Merlin Telephone Systems as well as has a full inventory of maintenance parts for those customers who are not ready to replace their Avaya Merlin Telephone System.

Avaya IP Office Telephone System: Ideal for small or medium sized offices, the Avaya IP Office Telephone System grows up to 360 endpoints per location. This feature rich telephone system is #1 in the medium sized telephone system market and the CCS Support Team specialize in supporting and maintaining the Avaya IP Office product line. The Avaya IP Office telephone system is ideal for any business in any industry. This telephone system provides many flexible options as well as VoIP options that allow your business to go VoIP today or migrate to VoIP tomorrow. The CCS VoIP Support center based out of Chicago utilizes VoIP technologies to improve customer handling as well as optimize on VoIP resources.

Avaya Definity Multivantage Telephone System: The Avaya Definity telephone system is ideally built for the large enterprise customer. The Avaya Definity telephone system migrated to the s8100, s8300, s8500, and s8700 multivantage software call processors. The Avaya Definity has robust call center options as well as flexible VoIP add-ons. Contact CCS Support for Avaya Maintenance & Avaya Support.

Converged Communication Systems, LLC

2930 Central Street
Evanston, IL 60201
Sales & Support: 877-599-9996

New Support Headquarters
#1 in Avaya Chicago Support
#1 in Avaya Maintenance Options

Contact Us

Telephone System Sales

Telephone System Support


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

For more information contact us at or call our
main support office 847-440-8635.

Contact Converged Communication Systems for options in telephone systems, telephone service, internet service, T1 service, VoIP service, telephones, telephone system support, telephone system maintenance plans.

Some Items We Sell & Support: