https://origsvn.digium.com/svn/asterisk/branches/1.8
(closes issue #18693)

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  r310734 | may | 2011-03-15 00:45:53 +0300 (Tue, 15 Mar 2011) | 12 lines
  
  Introduce t.38 parameters control functionality not full but enough for
  Send/RcvFax support
  
  Introduce t.38 controls between asterisk core and channel/proto layers.
  Not all parameters are transferred from proto layers but *Fax apps
  tested and work ok.
  
  (issue #18693)
  Reported by: benngard2
  Patches: 
        issue-18693.patch uploaded by may213 (license 454)
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git-svn-id: https://origsvn.digium.com/svn/asterisk/trunk@310735 65c4cc65-6c06-0410-ace0-fbb531ad65f3