git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@26527 65c4cc65-6c06-0410-ace0-fbb531ad65f3
start mapping digit strings git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@21960 65c4cc65-6c06-0410-ace0-fbb531ad65f3
git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@21420 65c4cc65-6c06-0410-ace0-fbb531ad65f3