I loaded a company logo into the UC500 flash & got it to show up on a 7945 display but it did not look good. I went back & revised the .png. Then I copied it to the UC500's flash, overwriting the original image. But now I can't get the new image to s...

Hi Team,I have a customer with a very old Nortel Option 61 PBX. They would like to migrate to CUCM. I can't find any documentation about this particular model on the Interoperability Portal. Does anyone have experience with this migration?