GSA Schedule

Cornerstone Communications is a leading provider in GSA pre-approved products and services. We service and stock Avaya and Nortel products, and offer a 100% Satisfaction Guarantee to all GSA Maintenance Program customers. Log on to and to view a complete list of our products. Search by Cornerstone Communications.

For more information, please contact:

Kelly Reilly
Account Executive
Office: 314-394-0057
Fax: 314-909-7513

GSA Schedule Contract Number: GS-35F0278T
Schedule Contract: 70
Special Item Number: 132-8