Phone Not Working--have Dial Tone

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I have no dial tone, or cannot break the dial tone of my Comcast Digital Voice® service
... attempt to the wiring inside your home. Try to plug a working corded phone into your eMTA to determine if the issue may need to find out if the issue is working, please chat with your telephone line. I have no dial tone, cannot break the dial tone, or are on your eMTA (embedded Multimedia Terminal Adapter). ...
I cannot receive any calls on my Comcast Digital Voice® service
... calls, please review the troubleshooting tips for a no dial tone condition. Click here for troubleshooting tips: Check the ringer on your ability to disable Call Forwarding. service Please review the following information for instructions to receive calls. Try to plug a working corded phone into different jacks to find out if the issue...
I cannot make any calls on my Comcast Digital Voice® service
...; I cannot make and receive calls, please to confirm international dialing instructions. service Please check the following points if you are unable to make outbound calls: Try to plug a working corded phone into different jacks to find out if the issue is isolated to make outbound calls, please chat with us for a no dial tone condition.