We encountered xml error ! messages appear on cisco 7911 ip phone. The publisher & subscriber ccm are version 4.1(3)SR2. We've tried to install the new cisco 7911 ip phone, Firstly, we install ciscocm.4-1-DevPack-43.exe into the publisher and reboot, then follow by the subscriber and reboot. Then we add new phone and assign directory number to the new 7911.The 7911 will perform upgrading for phone installation. Then tested the features & functionality is ok with the 7911, we able to get incoming and outgoing calls but after around 40 seconds, we will see the error message as shown in the attachment ( xml error ! on 7911.jpg ). Please advise. Your effort shall be highly rated.
thank you very much.