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Yes
Sorry, there was a problem. Please try again later.In our situation, living in the mountains where power outages are typically due to downed trees/wires, this phone does work without power. Apparently there is battery back up for the phone landline. However, if our power is off for more than a day the phone usually goes dead too. It is still useful to have.
Sorry, there was a problem. Please try again later.Yes, this phone requires no external power from batteries or a household power outlet. If you are using something like VOIP you should makes sure that any equipment used for that has backup power. This phone does not require it though.
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