Merged revisions 298195 via svnmerge from

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

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  r298195 | rmudgett | 2010-12-13 11:11:43 -0600 (Mon, 13 Dec 2010) | 33 lines
  
  Merged revisions 298194 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r298194 | rmudgett | 2010-12-13 11:04:41 -0600 (Mon, 13 Dec 2010) | 26 lines
    
    Merged revisions 298193 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r298193 | rmudgett | 2010-12-13 10:56:07 -0600 (Mon, 13 Dec 2010) | 19 lines
      
      Outgoing PRI/BRI calls cannot do DTMF triggered transfers.
      
      Outgoing PRI/BRI calls cannot do DTMF triggered transfers if a PROCEEDING
      message is not received.  The debug output shows that the DTMF begin event
      is seen, but the DTMF end event is missing.  When the DTMF begin happens,
      the call is muted so we now have one way audio (until a DTMF end event is
      somehow seen).
      
      * Made set the proceeding flag when the PRI_EVENT_ANSWER event is
      received.
      
      * Made absorb the DTMF begin and DTMF end events if we are overlap dialing
      and have not seen a PROCEEDING message.
      
      * Added a debug message when absorbing a DTMF event.
      
      JIRA SWP-2690
      JIRA ABE-2697
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@298201 65c4cc65-6c06-0410-ace0-fbb531ad65f3