i just moved an M3904 to an unused TN and when I went to move it back to another TN the TN that I moved it to became corrupt. I punched the user down to another TN but now I can't get his name to come up. I just get XXXX in the display (his name never disappeared in the PBX since he was also on a secy phone). How can I uncorrupt this corrupt TN? Thanks in advance for your help.