Cisco Systems SPA2102 Small Business Pro Phone Adapter with Router Dual FXS ports to connect existing analog phones or fax machines, or to a PBX system. Two 100BaseT RJ45 Ethernet interfaces (LAN-WAN) to connect to a home or office LAN, as well as an Ethernet connection for a broadband modem or router (WAN) Independent configuration of each line using software controlled by the service provider or the end user Strong security with reliable, encryption-based methods for communication, provisioning, and servicing