ADTRAN Holdings is a global provider of networking and communications platforms, software, and services that help service providers, cable operators, enterprises, and government agencies build and manage broadband, data center, and mobile network infrastructure. The company operates through two segments: Network Solutions, which supplies customer premises equipment, fiber access and aggregation systems, and optical networking hardware along with cloud-based software platforms; and Services & Support, which delivers network design, implementation, and managed services including its Mosaic One SaaS platform for AI-driven network optimization. ADTRAN generates revenue primarily through direct sales to major customers, channel partnerships, long-term supply agreements with service providers, and recurring cloud-hosted services, competing on portfolio breadth, integrated hardware-software solutions, technology innovation, and comprehensive support capabilities.