Merged revisions 321528 via svnmerge from

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

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  r321528 | may | 2011-06-01 14:40:19 +0400 (Wed, 01 Jun 2011) | 14 lines
  
  Fix double alerting, add forced alerting before answer
  
  Fix double alerting (it wasn't fixed here by issue #18542)
  Add forced alerting before connect (if it wasn't before)
  Try to send all packets from outgoing queue rather than one only
  Call goes into clearing state when disconnect command is received
  
  (closes issue #19361)
  Reported by: vmikhelson
  Patches: 
        issue19361-3.patch uploaded by may213 (license 454)
  Tested by: vmikhelson
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@321529 65c4cc65-6c06-0410-ace0-fbb531ad65f3