Stop paying rental equipment fees to comcast. This is the modem/router option only. No phone line. This is the newer revised version of the c7000 hence this is the c7000v2/ AC1900 Features & details COMPATIBLE WITH ALL MAJOR CABLE INTERNET PROVIDERS: Including certification by Xfinity by Comcast, COX, and Spectrum. NOT compatible with Verizon, AT&T, CenturyLink, DSL providers, DirecTV, DISH and any bundled voice service. SAVE MONTHLY RENTAL FEES: Model C7000 replaces your cable modem and WiFi router saving you up to $168/yr in equipment rental fees. BUILT FOR FAST SPEED: Best for cable provider plans up to 400 Mbps speed. FAST WiFi PERFORMANCE: Get up to 1800 sq ft wireless coverage and 30 devices connected with AC1900 speed (up to 1900 Mbps). VERSATILE CONNECTIONS: 4 Gigabit Ethernet ports and 2 USB ports give you fast wired connections to your computer, printer, game box, storage drive, and other devices. MODEM TECHNOLOGY: Engineered with 24x8 channel bonding and DOCSIS 3.0. SAFE & SECURE: Includes parental controls, and supports WEP and WPA/WPA2 wireless security protocols.