Would LOVE to have the Date Format at the Account Level. This would make one less thing to change on 10 phones....seems like a Account Level thing.
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OR
Have the normal MM-DD-YYYY be the Inherit Default on the Devices. (I know the USA isn't the only place in the world, but that would be the normal way of doing things....flame war on? not ) I'm guessing that the default from Yealink is why this is left alone, but could be corrected.
esoare