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Inability to hear dial tone can be caused by a number of issues. Please follow
the steps below to resolve the issue:
• Check if the thin cable (RJ11) between the Black modem and the silver
base is securely connected(Tel line port of silver base and Tel 1/2 port of the
Black modem)
• Press the Speaker key as defined on the Familiarize Yourself with your
Telephone Handset page
• Do you hear dial tone?
If you still don’t hear dial tone, check that the cables between the Black
Modem and Silver Base are securely connected
• Press Retry and redo the dial tone test
If you still don’t hear dial tone, reset the system by performing the following
steps:
• Remove the power cable from the Black Modem and remove the battery
pack
• Remove the AC adapter from the Silver Base
• Press and hold the OFF button on the phone until the Comcast logo
appear
• Reconnect the power cable to the Black Modem and reinstall the battery
pack
• Reconnect the AC adapter to the Silver Base
• Wait until the power, Internet and Info lights are glowing on the Base.
This can take up to two minutes
• Press the softkey under Start on the handset and follow the onscreen
instructions
• Press Exit to close and try again later.
If the problem persists call 800-931-0790
Troubleshooting