Merged revisions 302713 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.8

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  r302713 | rmudgett | 2011-01-19 15:29:22 -0600 (Wed, 19 Jan 2011) | 29 lines
  
  Merged revisions 302693 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r302693 | rmudgett | 2011-01-19 15:25:41 -0600 (Wed, 19 Jan 2011) | 22 lines
    
    Merged revisions 302671 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r302671 | rmudgett | 2011-01-19 15:21:56 -0600 (Wed, 19 Jan 2011) | 15 lines
      
      DTMF transfer plays the wrong sounds for wrong number or other call failure.
      
      * Set the default for features.conf.sample xferfailsound option to "beeperr"
      as documented instead of "pbx-invalid" and corrected the use of it in DTMF
      blind transfer (#1).
      
      * Improved DTMF blind transfer handling of wrong numbers.
      
      Most of the concerns in this issue were taken care of by the patch for
      issue 17999: Issues with DTMF triggered attended transfers.
      
      (closes issue #18379)
      Reported by: gincantalupo
      Tested by: rmudgett
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@302732 65c4cc65-6c06-0410-ace0-fbb531ad65f3