Linksys One is a complete, affordable, easy-to-install communications solution for growing businesses, delivering telephones, data networking, applications, and the Internet through one high-speed connection from a single provider. Business class communications services are delivered by a Linksys One Services Router, which requires only one internet connection for all services - including low-cost phone service. One Linksys One Services Router is the core for your network and is present in all Linksys One solutions. The VGA2000 provides a means of connecting to legacy analog FAX machines or phones as well as providing a local connection to the public telephone network for emergency services calls.