Merged revisions 278167 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r278167 | tilghman | 2010-07-20 15:59:06 -0500 (Tue, 20 Jul 2010) | 4 lines
  
  Do not queue up DTMF frames while a call is on hold.
  
  (Fixes ABE-2110)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@278272 65c4cc65-6c06-0410-ace0-fbb531ad65f3