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Phone service in a power outage with AT&T High Speed Internet

You will still have dial tone available to you even during a power outage. But, be aware, most modern phones are electronic and require AC power. Only the older, wired analog phones will work in a power outage. Also, you may lose functionality of your DSL modem and computer during a power outage.



Community forums

Have questions about your Business Phone service? Explore our community forums for answers.

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