Network Services & Support, Inc. is a customer-focused reseller and integrator of today’s leading edge networking technologies, including VoIP phone systems and data network devices, such as routers, switches, firewalls, and wireless access points. Our primary focus is VoIP. Our core product portfolio includes ADTRAN and Digium solutions. NSS’s corporate headquarters is located in Cummings Research Park Huntsville, AL, near the main headquarters for both ADTRAN Inc. and Digium, two of the world’s leading networking solution providers.