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  r244785 | jpeeler | 2010-02-04 17:20:21 -0600 (Thu, 04 Feb 2010) | 22 lines
  
  Change channel state on local channels for busy,answer,ring.
  
  Previously local channels channel state never changed. This became problematic
  when the state of the other side of the local channel was lost, for example
  during a masquerade. Changing the state of the local channel allows for the
  scenario to be detected when the channel state is set to ringing, but the peer
  isn't ringing. The specific problem scenario is described in 164201. Although
  this was noted on one of the issues, here is the tested dialplan verified to
  work:
  
  exten => 9700,1,Dial(Local/*9700@default&Local/#9700@default)
  
  exten => *9700,1,Set(GLOBAL(TESTCHAN)=${CHANNEL:0:${MATH(${LEN(${CHANNEL})}-1):0:2}}1)
  exten => *9700,n,wait(3) ;3 works, 1 did not
  exten => *9700,n,Dial(SIP/5001)
  
  exten => #9700,1,Wait(1) ;1 works, 3 did not
  exten => #9700,n,ChannelRedirect(${TESTCHAN},parkedcalls,701,1)
  
  (closes issue #14992)
  Reported by: davidw
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@244792 65c4cc65-6c06-0410-ace0-fbb531ad65f3