Make sure that we don't accept an answer on an inbound call and don't permit...

Make sure that we don't accept an answer on an inbound call and don't permit asterisk to answer an outbound call


git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26103 65c4cc65-6c06-0410-ace0-fbb531ad65f3