Merged revisions 146711 via svnmerge from

https://origsvn.digium.com/svn/asterisk/branches/1.4

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  r146711 | tilghman | 2008-10-06 11:51:21 -0500 (Mon, 06 Oct 2008) | 9 lines
  
  Check whether an extension exists in the _call method, rather than the _alloc
  method, because we need to evaluate the callerid (since that data affects
  whether an extension exists).
  (closes issue #13343)
   Reported by: efutch
   Patches: 
         20080915__bug13343.diff.txt uploaded by Corydon76 (license 14)
   Tested by: efutch
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@146713 65c4cc65-6c06-0410-ace0-fbb531ad65f3