he doesn't cause a queue's announce file to be interrupted. Also went ahead and did the
same for the '*' key and for ending a call.
(closes issue #10528, reported by deskhack, patched by me)
git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.4@81120 65c4cc65-6c06-0410-ace0-fbb531ad65f3