A:AnswerIf you need a cable connection to Centurylink, yes. This has cable connection which will connect to oncoming cable line, akso found reaches entire house through wi-fi after connection
A:AnswerThis is a cable modem/router meaning you need to receive a signal from a cable provider. There is no provision for a phone on the device. You can use 4 ethernet connections or the wifi signal from it to support your devices.