Calix, Inc. provides broadband communications access systems and software for fiber and copper-based network architectures that enable communications service providers to transform their networks and connect to their residential and business subscribers. It enable communications service providers to provide a wide range of revenue-generating services from basic voice and data to advanced broadband services over legacy and next-generation access networks. The company is solely focused on communications service providers access networks with the portion of the network, which governs available bandwidth and determines the range and quality of services that can be offered to subscribers. It also develops and sells carrier-class hardware and software products, which it refer to as the unified access portfolio that are designed to enhance and transform communications service providers access networks to meet the changing demands of subscribers rapidly and cost-effectively. Calix was founded