Avaya is a leading provider of communications systems and software for enterprises, including businesses, government agencies and other organizations. We offer voice, converged voice and data, customer relationship management, messaging, multi-service networking and structured cabling products and services.
Headquarters: 3116 Expressway Drive South, Islandia, NY 11749
Toll Free: 1-800-355-2952 Maintenance Helpdesk: 1-888-355-5585
Regional offices throughout: New York City, Arizona and New Mexico
