How to make a new file the default music on hold

Corporate Directory stops working sometimes.  when you try to use it, it just spins and spins.  if you unplug the phone and plug it back in it will work, but this happening more often. Any ideas?

      Conference calls become fast busy when trying to connect the two callers?

  Hi, i am not sure if i am in the right forum, but here is the situation.  i have a cisco unity communicator verizon 8.5.1.  i have a few people who have two extensions, one is a private number and the other one is posted to the general organization...