07-23-2012 11:30 AM
Your inside phone wiring in the home must be connected to the Comcast eMTA telephony modem. A phone cord from the L1/L2 jack on the eMTA must connect to a phone jack in the same room, or a phone wire must be run to activate the wiring in the home to feed the voltage from the L1/L2 jack to the wiring in the home.
The installer should have done that for you, and if he didn't, then contact Comcast support and send the guy back out to make it right.
If you have a phone connected directly to the eMTA's L1/L2 jack, then a phone splitter will need to be added to split the phone jack to feed both the cordless phone and the inside wiring in the home.
07-23-2012 01:18 PM
If the phone has a dial tone and doesn't ring, then look for the function that turns off the ringer.
This would not be a Comcast issue, read your instruction manual that came with the phone since you didn't post the model and brand of the phone.
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