Merged revisions 103801 via svnmerge from

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

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r103801 | file | 2008-02-18 19:56:48 -0400 (Mon, 18 Feb 2008) | 10 lines

Ensure that emulated DTMFs do not get interrupted by another begin frame.
(closes issue #11740)
Reported by: gserra
Patches:
      v1-11740.patch uploaded by dimas (license 88)
(closes issue #11955)
Reported by: tsearle
(closes issue #10530)
Reported by: xmarksthespot

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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@103802 65c4cc65-6c06-0410-ace0-fbb531ad65f3