Community Forum
I switched our land line to you and now dion't have a land line, I have been waiting for 35 minutes for an agent. The home land line is saying CHECK Tel Line- it is connected to Modem and phone jack.
Your modem and telephone line probably needs to be activated. Try
Installation
Activation
Before you start, make sure your account number and telephone number are readily available. This information can be found on your monthly statement or order confirmation e-mail.
If the online activation does not succeed, call customer support: 1-800-COMCAST (1-800-266-2278) or 1-800-XFINITY (1-800-934-6489)
Or Try calling 1-855-652-3446. That is their device activation line.