Use this tool to find the codes of your devices and to get specific instructions on programming the codes into your Comcast remote.
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Unplug the power supply to your router, wait 30 secs and plug it back in. Let the router reboot (could take up to 10 mins) and try the phone again. Happened to me eariler today.
I had the same problem. I did the "reset the router" and it failed. What had happened was the wind had done something to the connection outside and two wires touched causing a shortage in my line. If resetting the router doesn't work you might want to check that.
Our phones are dead too with all incoming calls going directly to voicemail. We cannot retrieve any messages.
Check the wiring connection. the orginal phone line is sent to the xfinity modem sent back through the cable and then connected to the lines in the house. Often it is one of those conncections that go bad or are loose.
Alerts are an easy, quick way to manage your account and get information - like payment confirmations and your current balance.