Modem for phone use only
I am a customer whose was wired before wifi came to Comcast. So our home phome modem is in the basement and the intrnet modem is on the second floor. Due to a xfinity store foul up our original wall mounted small phone modem was replaced by a huge standalone gateway that had the wifi turned off (harder than it should have been), and no intrnet connected.
What I want to do is buy a modem for less than $50 that will work with comcast's voice system instead of a DOCSIS 3.1 $160 modem. For all I care it could be a DOCSIS 1.0 internet one if the phone was still compatible.
xfinity actual voice service compatibility on this website's list is questioned by sellers. Since most of the information is internet related and not voice I wonder what to buy.