Thomas,   Can you share the following for a failed scenario:   Notifier logs   Cucsmgr logs   CUCM logs    

Hi, Please try with the below as the contents of the List.xml file: <?xml version="1.0"?> -<CiscoIPPhoneImageList> <ImageItem Image="TFTP:Desktops/800x480x24/sonda1.png"/>URL="TFTP:Desktops/800x480x24/sonda.png"/> </CiscoIPPhoneImageList> Sonda1 m...