Merged revisions 303907 via svnmerge from

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

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  r303907 | mnicholson | 2011-01-25 14:56:12 -0600 (Tue, 25 Jan 2011) | 2 lines
  
  Reimplemented fax session reservation to reverse the ABI breakage introduced in r297486.
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@304152 65c4cc65-6c06-0410-ace0-fbb531ad65f3