Here is what worked for me to get a corperate wallpaper on a 9861NR IP phone. The guide is good but I still had difficulties. Firstly, the image names in the list.xml file adhere strictly to the following format: wallpaper-xxxxx.png, thumbnail-xxxxx....

Hello,  Apologies for how late this question is! I have read that it is possible to generate a multi san certificate for the call manager service. Each subscriber in the cluster then uses the same certificate for call manager service. If I generate a...

Hello, is there a documented limit to the amount of Phone services that can be added to the CUCM (version 12.5) "Phone Services" list? Im refering to the list that is displayed by browsing to Device->Device Settings->Phone services. Many thanks