I have a customer where we recently installed CUCM 18.104.22.1684-1. I'm sure it worked before, but could be wrong. Once one goes to User preferences, rings, default ring. it give me a message Ring List Unavailable!. I have allready loaded the latest available devpack "cmterm-devicepack22.214.171.1241-1.cop.sgn", without any luck. The customer has all 7945 phones. The strange thing is that when I use mu Cisco IP Communicator on the same cluster, I don't have any issue. Any suggestions?