With multiple buildings, we're having an issue (with our alarm company first, actually) where they enter the voicemail and the default greeting says to press 'star' to connect to the operator. The caller hits * and gets transferred to one of our office spaces that usually has nothing to do with who they originally called. I can change the extension this goes to (system wide) but I can't turn it off altogether. I have no reason to ever let people who get to a voicemail box transfer out. For now I'll edit the default greeting, but I'd rather disable it or have more flexible options on an extension group basis.