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I have a Cisco 8821 Wireless IP Phone that powers down when connected to external charger. I can even set it in the charger with the power cord disconnected. In this situation it will remain powered up but once I connect the power to the charger it...
Thank you for the suggestion. I did try another battery but that did not resolve the issue. I also tried the battery of the phone with the issue and it worked fine in another phone...
