Commits
Merge pull request #1057 in FS/freeswitch from ~ROMANAT/freeswitch:feature/FS-9734-add-channel-vars-att_xfer to master * commit 'aadd81d6d33dc6402d10ae452394aa8ddd3d1176': FS-9734: added new channel vars in att_xfer which allow cancel, hangup and conf keys to be changed