Merged revisions 285742 via svnmerge from

Merged revisions 285742 via svnmerge from
https://origsvn.digium.com/svn/asterisk/branches/1.4

........
  r285742 | qwell | 2010-09-09 15:06:31 -0500 (Thu, 09 Sep 2010) | 9 lines

  Transmit silence when reading DTMF in ast_readstring.

  Otherwise, you could get issues with DTMF timeouts causing hangups.

  (closes issue #17370)
  Reported by: makoto
  Patches:
        channel-readstring-silence-generator.patch uploaded by makoto (license 38)
........

git-svn-id: https://origsvn.digium.com/svn/asterisk/branches/1.6.2@285744 65c4cc65-6c06-0410-ace0-fbb531ad65f3