I have a few ring central phones that used to be in use by the company but haven't been for a few years. I am trying to set them up to ring central but they want me to go into the menu to reset the settings to default. When I try to get in using 456 it tells me that the password is incorrect. So I have tried to factory reset the system hgolding down 1,3,5 and 7 and then entering the IP address. It resets, but then when it powers back up on the network, it reinstalls the old settings and 456 won't work and I can't get into the advanced settings.
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