Merged revisions 312575 via svnmerge from

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

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  r312575 | rmudgett | 2011-04-04 11:10:50 -0500 (Mon, 04 Apr 2011) | 52 lines
  
  Merged revisions 312574 via svnmerge from 
  https://origsvn.digium.com/svn/asterisk/branches/1.6.2
  
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    r312574 | rmudgett | 2011-04-04 11:00:02 -0500 (Mon, 04 Apr 2011) | 45 lines
    
    Merged revisions 312573 via svnmerge from 
    https://origsvn.digium.com/svn/asterisk/branches/1.4
    
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      r312573 | rmudgett | 2011-04-04 10:49:30 -0500 (Mon, 04 Apr 2011) | 38 lines
      
      Issues with ISDN calls changing B channels during call negotiations.
      
      The handling of the PROCEEDING message was not using the correct call
      structure if the B channel was changed.  (The same for PROGRESS.) The call
      was also not hungup if the new B channel is not provisioned or is busy.
      
      * Made all call connection messages (SETUP_ACKNOWLEDGE, PROCEEDING,
      PROGRESS, ALERTING, CONNECT, CONNECT_ACKNOWLEDGE) ensure that they are
      using the correct structure and B channel.  If there is any problem with
      the operations then the call is now hungup with an appropriate cause code.
      
      * Made miscellaneous messages (INFORMATION, FACILITY, NOTIFY) find the
      correct structure by looking for the call and not using the channel ID.
      NOTIFY is an exception with versions of libpri before v1.4.11 because a
      call pointer is not available for Asterisk to use.
      
      * Made all hangup messages (DISCONNECT, RELEASE, RELEASE_COMPLETE) find
      the correct structure by looking for the call and not using the channel
      ID.
      
      (closes issue #18313)
      Reported by: destiny6628
      Tested by: rmudgett
      JIRA SWP-2620
      
      (closes issue #18231)
      Reported by: destiny6628
      Tested by: rmudgett
      JIRA SWP-2924
      
      (closes issue #18488)
      Reported by: jpokorny
      JIRA SWP-2929
      
      JIRA AST-437 (The issues fixed here are most likely causing this JIRA issue.)
      JIRA DAHDI-406
      JIRA LIBPRI-33 (Stuck resetting flag likely fixed)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@312579 65c4cc65-6c06-0410-ace0-fbb531ad65f3